In each of the following transactions (a) through (c) for Romney's Marketing Company, use the three-step process illustrated in the chapter to record the adjusting entry at the end of the current year. Indicate the amounts and direction of effects of the adjusting entry on the elements of the balance sheet and income statement. Indicate + for increase, for decrease. a. Collected $3, 800 rent for the period December 1 of the current year to April 1 of next year, which was credited to Unearned Rent Revenue on December 1. b. Purchased a machine for $37,000 cash on January 1. The company estimates annual depreciation at $3, 100. c, Paid $3.900 for a two-year insurance premium on July 1 of the current year; debited Prepaid Insurance for that amount