Please also draw cash flow diagram. Thank you!

The MARR is 10% per year, compounded semi-annually. In comparing the alternatives by the annual worth method, the annual worth of alternative "A" is represented by: (Also draw the cash flow diagram) a. -300, 000(0.1025) - 70, 000 + 30, 000(0.1025) b. -300, 000(A/P, 10%) - 70, 000 + 30, 000(A/F, 10%, 10) c. -300, 000(A/P, 5%, 20) - 70, 000 + 30, 000(A/F, 5%, 20) d. -300, 000(A/P, 10.25%, 10) - 70, 000 + 30, 000(A/F, 10.25%, 10)