P8-6 Roberto Trucks Inc. purchased a delivery van on January 1, 2018 Assume this was the company's only capital asset and that the company uses the year rule in the year of acquisition and disposal for straight-line and double-declining balance depreciation methods. The following information is available. Estimated useful life Salvage value $2,000 Cost $11,000 4 years or 75,000 kms. The truck was driven 20,000 km in 2018. Required: 1. Calculate the depreciation for 2018 under each of the following methods a. Usage b. Straight-line c. Double-declining baiance Compare the depreciation expense and carrying amount for 2018 under each of these methods If one of management's objectives is to maximize 2018 net income, what method should be adopted? 2. 3. P8-7 Wynne Ltd purchased a machine on January 1, 2019 for $23,000. During 2019, transportation charges paid by Wynne amounted to $600 and another $1,400 cost was incurred for installation. Useful life is three years. The salvage value of the machine is $2,000. Required 1. Determine the cost of the mathine on which depreciation will be calculated that is, the deprecisble amount, not the carrying amounti under straightline method t double-declining balance method 2 Calculate the depreciation for each year of the expected useful life of the machine under strsigateline methoo double-declining baiance method le sused in theyears of acovisition and Assume that tne yearrule