The accounting rate of return requires the use of the accrual basis of accounting and therefore, the annual depreciation must be caluclated. How do you calculate the annual depreciation? www OA. The cost of the investment, divided by the life of the asset OB. The cost of the investment, divided by 10 years OC. The cost of the investment, less residual value, divided by the life of the asset OD. The cost of the investment, less residual value, divided by 10 years