i am revising how did he get month 5?

19. You are planning to bid on a project. Your bid estimate cost is $300,000, and you include 15% profit for a total bid of $345,000. The owner will retain 5% on each payment. a. (5) Fill in the 5 boxes in month 3 in the cash flow chart below. Cash Pro Est Cost $300,000 Profit 15% Bid $ 345,000 Cost of $ 0.5% per month Invoice Date 5th of month Payment received 30 days later Retainage 5% EVERY month Interest Total Invoice Month 2 3 4 1910 Est. Cost $ 40,000 $ 80,000 $ 100,000 $ 80,000 $ $ 43,700 3 82400 $ 109,250 $ 104,650 $ Amt Rec'd $ . $ . $43700 $ 87,400 $ 109,250 $ 104,650 Cash Reg'd $ 40,000 $ 120,200 || 127.01_$170,587 $ 62,189 Interest $ 200 $ 6013886_ $ 853 $ 311 Total $ 40,200 $ 120,801 0177987 $171,439 $ 62,500 Profit $ 42,150 b. (3) After paying the interest, how much profit is there at the end of the job as a percent)? 42150 (14.05% 300,000 profit c. (2) Explain the Invoice of $104,650 in month 5 (either in words or by calculation)