I'm a student at WSU and I'm confused with this problem.

Prepare a depreciation schedule showing depr. exp., accumulated depreciation and ending book value, year-by-year. 3 schedules for the 3 methods: straight-line, units-of-production, double declining basis. Asset is a delivery Truck. Assuming the truck is sold at the end of yr. 3, give the gen. journal entry to record the sale (straight-line method) assume it was sold for