9. (10 Points) Two machines are being considered for purchase. Both machines have life span of ten years. Determine which machine is a better option for purchase assuming annual interest rate of 6% and Annual Worth Method. Machine B 8000 First Cost Salvage Value Annual Receipts Annual Disbursements Machine A 20,000 2.000 80,000 50,000 65,000 40,000 -10% Show 10. Calculate the present worth of the following cash flow diagram given your work for credit. 2000 1000 IT