1 Normal 1 No Spac... Heading 1 Heading 2 Tit! Styles Paragraph 5 kellr19@mail.sunysuffolk.edu so we can verify your subscription. Sign In 2 3 5 A. Explain the concept of weighted average cost of capital (WACC). B. The firm's c of capital is affected by two sets of factors - one that is under the firm's control, and the other that is not under the firm's control. Discuss: i) the factors that are under the firm control; ii) the factors that are not under the firm's control. - A. Zelnic Corporation needs a food processing machine. It is considering two machines Machine A and Machine B. Machine A costs $20,000 and will reduce operating cost $5,000 per year. Machine B costs only $10,000 but will also reduce costs by $5,000 pe year. Calculate the payback period and demonstrate which machine should be purchase according to the payback method. Formula: Investment required/Net annual cash inflow B. Is the payback period technique an efficient capital budgeting technique