Sales revenue$ 4,000purchases of direct materials$ 400direct labor$ 450manufacturing overhead$ 620operating expenses$ 650beginning raw materials inventory$ 200ending raw materials inventory$ 180beginning work in process inventory$ 320ending work in process inventory$ 410beginning finished goods inventory$ 250ending finished goods inventory$ 200what was direct materials used? a) $600b) $380c) $420d) $400

Required prepare the necessary adjusting entries in the general journal as of december 31, assuming the following: on september 1, the company entered into a prepaid equipment maintenance contract. birch company paid $3,400 to cover maintenance service for six months, beginning september 1. the payment was debited to prepaid maintenance. supplies on hand at december 31 are $3,900. unearned commission fees at december 31 are $7,000. commission fees earned but not yet billed at december 31 are $3,500. (note: debit fees receivable.) birch company's lease calls for rent of $1,600 per month payable on the first of each month, plus an annual amount equal to 1% of annual commissions earned. this additional rent is payable on january 10 of the following year. (note: be sure to use the adjusted amount of commissions earned in computing the additional rent.)