how do we do on excel.pls dont post anything already on chegg

Otto-Rentals Ltd. Is setting up a new car rental operation. In the first year they purchase 12 vehicles for a total of $296,000. In year 2, they buy two more vehicles for $54,000. In year 3 they sell four vehicles for $58,000 and buy five vehicles for $142,000. In year 4, they sell three vehicles for $32,000. The vehicles belong in CAA class 16. Find CCA and UCC for the four years for this pool of vehicles