Answer:
$27,000
Step-by-step explanation:
Years Units Selling Sales NWC requirement Δ in Cash flows
sales price$ revenue$ 50,000 / 15% for NWC
0 - - - $50,000 $50,000
1 8000 180 1,440,000 $216,000 $166,000
2 9000 180 1,620,000 $243,000 $27,000
3 12000 180 2,160,000 $324,000 $81,000
4 15000 180 2,700,000 $405,000 $81,000
Note: Cashflow for NWC is derived by Cumulative difference in Cash flows for Present Year and previous year. Hence, the change in cash flow for the NWC balance at the end of year 2 is $27,000