(12 Pts) In the journal provided, prepare adjusting journal entries at the end of the period for the following items a. Depreciation on machinery is $940 for the accounting period. b. Office supplies of $600 were on hand at the beginning of the period. Purchases of office supplies during the period totaled $200. At the end of the period, $140 in office supplies remained. c. Revenues amounting to $540 were earned but not recorded or collected by year end. d. Wages earned by employees but not paid are $3,250