Need help solving problem manually under these circumstances

(20 Pts.) 4. Two alternatives are shown below. Alternative G uses a "k" index that ranges from 1 to 10 years. Using an annual worth analysis and an 8% per year interest rate, select the better alternative. (Hint: tabulate the annual costs using the index formula and plot these in the cash flow diagram for alternative G.) First cost, $ Annual Cost, S Salvage Value, S Life, years Alternative H 300,000 1,000 50,000 Infinity 40,000 5,000-100 (k-2) 8,000 10