Crestfield leases office space for $7,000 per month. on january 3, the company incurs $12,000 to improve the leased office space. these improvements are expected to yield benefits for 10 years. crestfield has 4 years remaining on its lease. what journal entry would be needed to record the expense for the first year related to the improvements? a. debit amortization expense $1,200; credit accumulated amortization $1,200. b. debit depletion expense $3,000; credit accumulated depletion $3,000. c. debit depreciation expense $1,200; credit accumulated depreciation $1,200. d. debit depletion expense $12,000; credit accumulated depletion $12,000. e. debit amortization expense $3,000; credit accumulated amortization $3,000