31) On July 1, 2020, Suntera Corp. purchased and placed in service a machine with a cost of $460,000. Suntera estimated the service life to be 5 years or 30,000 units of output, with an estimated residual value of $6,000. During 2020.2,600 units were produced. (a) The straight-line method of depreciation (b) The units-of-production method of depreciation 1) Accounts receivable arise from credit sales to customers by both retailers and wholesalers. * O False O True 1) Accounts receivable arise from credit sales to customers by both retailers and wholesalers. O False True