วิชา PRE380

2. A chemical company is considering options for eliminating harmless chemical sludge from the following 2 options. (1) Prepare the site for landfilling in the factory. This option requires the initial investment for purchasing the essential equipment 130,000 Baht. Each year there will also be a cost of landfill operation 95,000 baht per year. At the end of its service life of 3 years, the equipment used within the landfill site will have a salvage value of 20,000 baht. (2) Hire a chemical sludge removal contractor to remove sludge. The contract term must be 6 years. The cost of contract to be paid to the contractor are 110,000 Baht a year in year 1-2; 115,000 Baht in year 3; 120,000 Baht in year 4; 125,000 Baht in year 5; and 130,000 Baht in year 6. a) (13 marks) If the company finances the money for this project by borrowing from a bank in which the bank charges interest on loans at the rate of 3.86% per 6 months, compounded every month. Which option should this chemical company choose? b) (5 marks) The company executives believe that the option of establishing a landfilling site within the factory seems to be a more sustainable alternative for the company. If the selection in question a) above did not select the landfilling site option, please suggest how much the initial investment for purchasing the equipment should cost so that the landfill option would be selected (assume the same salvage value of the equipment)?

In recent years, the landscape of education has undergone a dramatic transformation, largely driven by the integration of technology into... อ่านต่อ

In recent years, the landscape of education has undergone a dramatic transformation, largely driven by the integration of technology into... อ่านต่อ

<p>In recent years, the landscape of education has undergone a dramatic transformation, largely driven by the integration of technology i... อ่านต่อ

ช่วยหน่อยค่ะหาไม่ได้จริงๆขอบคุณค่ะ

ระบบย่อยอาหารของสิ่งมีชีวิต : การย่อยอาหารของมนุษย์ (Human digestive system) จงใช้แผนภาพการย่อยสารอาหารจากแผนภาพ A, B และ C ในการตอบคำถาม 8 แผนภาพ B แผนภาพ C CHOOC 1. จากแผนภาพ A, B และ C สาร A. 2. จากแผนภาพ C NHZ 3. จากแผนภาพ 4 สาร และ น่าจะเป็นสารใดได้บ้าง เพราะเหตุใด การย่อยที่ลำไส้เล็ก HOOC ส่งผลให้ได้โมเลกุลใดบ้าง ก็โมเลกุล น่าจะเป็นสารใด ตามลำดับ NH2 HOOD NH2 4. การย่อยอาหารในแผนภาพใด จะต้องผ่านเกลือน้ำดีก่อน ถึงจะเข้ากระบวนการย่อยในแผนภาพดังกล่าวได้ สังเกตจากลั่งใด 5. สามารถพบการย่อยในแผนภาพ 4 ได้ในส่วนใดของระบบย่อยอาหาร 6. แผนภาพ B หากทำการย่อยไปเรื่อย ๆ จนได้โมเลกุลที่เล็กที่สุด โมเลกุลนั้น น่าจะเป็นสารอะไร

ช่วยหน่อยได้ไหมคะ🥺🥺

ght to vaved to the train t for ities. ckets y. any - ran I the D. 1 Grammar in use Read the extract from a story and put the verbs in brackets into the past simple or the past continuous. S + V.2 S. was I were + Voing The Dog and the Bone was Iwere walking 2) 3) 4) AESOP Fables One day, a dog 1) carrying a bone in his mouth. When the dog (look) down into the water, he (see) his own reflection and (think) it was another dog carrying a 6) 7) (walk) over a bridge bone. Immediately the dog 5).…... (start) barking at the 'other' dog because he (want) his bone. As he ... (bark), the dog 8)..... (drop) his own bone into the river. The bone was lost and the dog 9).... (learn) the lesson that when you wish for more than you have, you risk losing everything. 3 Read the w 1 Iv (1/ TH 2 Th fc (t f 3 T W 4 F 5 V W 4 Use for cor frie cor inf 1

ช่วยหน่อยงับ🙏🏻

Exercise 4 (p. 32): Underline the errors and write a correction. Assignment Irrigation Irrigation management is an interesting field, especially in places where water supplies are low. Irrigation experts have various tasks such as taking soil samples, checking existing water tables, and projecting the amount of rain for the future. These people usually get his degrees from irrigation institutes. Them study many years in order to become familiar with the various tasks involved in her profession. For some of they, a job with local water authorities is a good place to begin his career. Others prefer to find jobs as contractors, working independently to aid farmers with our irrigation needs. Whatever the job, irrigation experts are becoming increasingly important. Water is a precious commodity, and they cannot be taken for granted.

ช่วยหน่อย พร้อมว่าทำไมตอบ

chance to show how well you understand written English. There directions for each part. ONE HOUR AND FIFTEEN MINUTES PARTS 5, 6, AND 7 OF THE TEST. missing word. Four possible answers follow the sentence. nd fill in the corresponding oval on your answer sheet. 20 105. In order to keep an accurate record of your- your time card when work hours, you arrive and when you leave. (A) punch (B) punches punched (D) punching 106. As soon as the paychecks (A) arrived (B) arrive (C) arriving (D) will arrive # ned- the office manager will distribute them to the staff. on time. ) unless though because however Ms. Wilson was fired she always arrived late and never finished her work ss is very organized and tidy and that we keep the office neat. WS S es PRACHIAL TOEIC PRACTICE TEST 109. Mr. Lee works very hard and always meets his deadlines, he still hasn't been given a promotion. (A) Since (B) Even (C) Despite (D) Although 110. He an employee of this company ever since he first started working. (A) is (B) was (C) has been (D) will be 111. The walls are in bad shape and will require before we can begin painting them. (A) preparation (B) preparatory (C) preparer (D) prepare 112. If we had worked through the night, we (A) should (B) might (C) must (D) will have finished the report on time. 113. It is necessary to have at least one advanced. in today's degree in order to job market. (A) compete (B) purchase (C) observe (D) contract 114. Because so few people showed for the meeting, we decided to postpone it to a later date. (A) through (B) down (C) off (D) up 115. Our corporate headquarters are located on a hill high the city with a spectacular view of the entire valley. (A) beyond (B) above (C) next to (D) across from 116. If you wish to speak with the director, you have to an appointment first. (A) call (B) invite (C) schedule (D) receive 117. Customers don't necessarily resist paying more for a product if they feel the is high. (A) quality (B) quantity (C) quantify (D) qualify 118. We 49 all employees of this company to arrive at the office on time every day. (A) hope (B) deem (C) intend (D) expect 119. All expenses must be approved the department head at the beginning of each month. (A) by (B) to (C) for (D) from 120. The next staff meeting will in the large conference room on Friday morning at 10:00. (A) go to (B) take place (C) attend (D) adjourn

ไม่ทราบว่าทำยังไงคะTT

Spelling Quiz Endings Make an adjective from these words by adding an ending. Take care when you do this as sometimes you will have to change the spelling. For example: excite + able courage sense attract -able excitable. Plurals a thief thieves a bush ga a mouse ************ horror excite a fish a box a foot truth agree -ful = excitable ****** possess beauty -ible Write the plural of these words: expense care a child MI a knife a tooth fame terror -ive a potato a baby Tr a sheep poison comfort -OUS a glass a woman a toy

รบกวนช่วยแก้โจทย์ให้ทีได้ไหมคะ เกี่ยวกับ I wish and If only ค่ะ

Grammar Practice stooms. 2 Rewrite the sentences as wish statements using the given words. Answers may vary. S V₂ Tailand 1. I got distracted during my driver's test. (If only) V2 2. She gave into temptation and ate a whole cake. (wish) 3. He missed out on his chance to try out. (If only) 4. She isn't very skilled at mathematics. (wish) 5. I should have picked a different class to take. (wish) ออก ตายจ้า! 1 111