Read the Description of Following Adjustments That Are Required at the End

Read the description of following adjustments that are required at the end of the accounting period for Drake Consulting Services. Determine the account and amount to be debited and the account and amount to be credited.
A. Prepaid rent for the year on January 1, 2013. Rent expired during the month of January 2013, $7,000. Record the adjustment on January 31, 2013.
B. Purchased supplies for $1,600 on January 1, 2013. Inventory of supplies was $600 on January 30, 2013. Record the adjustment for the amount of the supplies that were used during the month of January 2013.
C. Depreciation is computed using the straight-line method. Equipment purchased on January 1, 2013, for $36,000 has an estimated useful life of 5 years with no salvage value. Record the adjustment on January 31, 2013.
D. Signed a 12-month contract for $2,400 of prepaid advertising on January 1, 2013. Record the adjustment for the amount of the advertising contract that expired during the month of January 2013.