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

9) A work system has five stations that have process times of 5, 9, 4, 6, and 8. What is the throughput time of the system?

A) 32

B) 9

C) 18

D) 35

E) 7

10) Fabricators, Inc. wants to increase capacity by adding a new machine. The fixed costs for machine A are $90,000, and its variable cost is $15 per unit. The revenue is $23 per unit. What is the break-even point for machine A?

A) $90,000

B) 11,250 units

C) $11,250

D) 15,000 units

E) 3,193 units

11) A product sells for $5, and has unit variable costs of $3. The annual sales units for this product are 5,000. The firm has a total annual sales revenue of $60,000. When performing multiproduct break-even analysis, what is the weighted contribution of this product?

A) 0.133

B) 0.083

C) 0.167

D) 0.417

E) $1.667

CHAPTER 8

12) Which of the following workers is the most productive?

A) $50 wages, 10 parts produced

B) $10 wages, 1 part produced

C) $30 wages, 5 parts produced

D) $100 wages, 21 parts produced

E) $500 wages, 110 parts produced

13) An employee produces 10 parts during a shift in which he made $90. What is the labor content of the product?

A) $9

B) $5

C) $6

D) $0.111

E) $900

CHAPTER 9

14) Four hundred and eighty minutes of production time are available per day. Scheduled production is 80 units per day. What is the required cycle time?

A) 4 minutes

B) 5 minutes

C) 6 minutes

D) 7 minutes

E) 8 minutes

15) An assembly line consists of 158 tasks grouped into 32 workstations. The sum of all task times is 104 minutes. The largest assigned cycle time is 4 minutes. What is the efficiency of this line?

A) 8 percent

B) 21 percent

C) 82 percent

D) 100 percent

E) 81 percent

CHAPTER 10

16) Suppose that the allowance factor for a job is 0.5 and the normal time is 4 hours. What is the standard time?

A) 8 hours

B) 2.5 hours

C) 10 hours

D) 7.5 hours

E) cannot determine with the given information

CHAPTER 11

17) Consider a firm with an annual net income of $20 million, revenue of $60 million and cost of goods sold of $15 million. If the balance sheet amounts show $2 million of inventory and $500,000 of property, plant & equipment, how many weeks of supply does the firm hold?

A) 7.50

B) 6.00

C) 6.93

D) 0.13

E) 4.16