Calculation of gross profit, EBIT,OCF, total cash flows and Npv

[Dara]

Hi all, sorry I need these answers this will help my understanding better. Question below. Owner of a furniture store is considering opportunity to open a coffee store with $50,000 to open. With a 5yr life depreciated over the period to a salvage value of $10,000. The coffee shop is sold at the end of 5yrs at 10,000. The sales at the coffee shop are expected to be $12,000 in the first yr and grow 4% a yr for the 5 Yrs. Operatn expenses will be 40% of revenue, Corp tax is 35%. The coffee shop is expected to generate additional sales of $22,000 next yr for the furniture store and the pretax operating margin is 40%. Sales will grow 8% a yr following 5yrs assume discount rate to be 12%. Calc ( a) gross profit. B) EBIT C)OCF. D) total cash flows. E)NPV. I would be most grateful thanks