4. The additional revenue from a project is estimated to be 60,000 the first year and 66,000 the second. Cost of goods sold is 65% of revenue; account receivable is 12% of revenue, inventory 16% of COGS and accounts payable is 6% of COGS. a. Calculate the investment in net working capital for years 1, 2 and 3. b. For the first year calculate i Cash receipts from revenue ii. Cash paid to suppliers iii. Cash gross profit