Please write the equation/ solving by hand not just answers to see how you got it, please

18) The items listed below are stored in a one-dock warehouse. Which of them should be stored at the very back (furthest away from the dock)?

Item	Trips	Area Needed (Blocks)
A	300	60
B	220	3
C	72	1
D	90	10
E	24	6

A) A

B) B

C) C

D) D

E) E

CHAPTER 12

19) Your company has compiled the following data on the small set of products that comprise the specialty repair parts division. Perform ABC analysis on the data. Over which product do you suggest the firm keep the least control?

SKU	Annual Demand	Unit Cost
R11	250	$25
S22	60	$90
T33	100	$500
U44	150	$550
V55	2000	$2

A) R11

B) S22

C) T33

D) U44

E) V55

20) A certain type of computer costs $10 per unit, and the annual holding cost is 25% of the value of the item. Annual demand is 1,000 units, and the order cost is $150 per order. What is the approximate economic order quantity?

A) 120,000

B) 866

C) 110

D) 1095

E) 346

CHAPTER 13

21) A firm practices a chase strategy. Production last quarter was 1000. Demand over the next four quarters is estimated to be 900, 500, 1000, and 1000. Hiring cost is $20 per unit, and layoff cost is $5 per unit. Over the next year, what will be the sum of hiring and layoff costs?

A) $500

B) $2,500

C) $7,500

D) $7,000

E) $12,500