could someone help me with this please !

Metro Industries is considering the purchase of new equipment costing $432,000 to replace existing equipment that will be sold for $64,800. The new equipment is expected to have a $72,000 salvage value at the end of its 1-year life. During the period of its use, the equipment will allow the company to produce and sell an additional 10,800 units annually at a sales price of $7 per unit. Those units will have a variable cost of $4 per unit. The company will also incur a n additional $32,400 in annual fixed costs Click here to view the factor table. (a) Calculate the net present value of the proposed equipment purchase. Assume that Metro uses a 4% discount rate (For calculation purposes, use 4 decimal places as displayed in the factor table provided and round final answer to 0 decimal place, e.g. 58,971. Enter negative amount using a negative sign preceding the number for e.g. 59,992 or parentheses e g. (59,992).) Net present value (b) Do you recommend that Metro Industries invest in the new equipment