Plz answer all the questions

Use the Sky Inc. makes operational information is given in the table below. Assume that the demand for each product is far above capacity. Sky Inc. has a fixed cost of $20,000 products A, B, C, and D, but it has limited capacity of 1,000 machine hours. Its Product A Product C S550 S150 $400 Product D $640 $160 $480 Product B Price per unit $150 $240 Unit VC CM per unit s 50 $100 S 60 Machine hours/unit t$180 6. Which product should you make? A. Product A B. Product E C. ProductC D. Product D 7. What is Sky Inc. maximum possible profit? A. Not enough information B. 100,000 C. 80,000 D. 60,000 8. You are choosing among jobs A, B, C and D. The annual salary is $120,000 for job A, $130,000 for job B, $150,000 for job C and S100,000 for job D. All four jobs require the same number of hours per week. The opportunity cost of choosing job B is: A. $150,000 B. $130,000 C. $120,000 D. $100,000 9. If profit is $300, sales are $30,000, asset turnover is 10, and cost of capital is 1.25% a year, how much is ROI (return on investment)? A. 1% B. 3.75% C, 10% D. not enough information