Need answered ASAP with step please

a) Allied Contracting Inc. is considering the purchase of a new dump truck for $75,000 If the vehicle can be depreciated for tax purposes at 40%, what is the undepreciated capital cost (UCC) of the vehicle after five years, using the CCA half year method? b) If Allied pays taxes at the rate of 35% and its cost of capital is 10%, what is the net present value of the tax shield for this five-year period? c) If Allied sells the truck after five years for $10,000 and there are other assets in the 40% CCA asset pool, what will be the adjustment (if any) to the UCC of this asset pool