A company purchased a patent for $1,425,000. The useful life is expected to last 20 years. The journal entry to record the amortization expense for the first year includes: OA. A credit to accumulated amortization for $ 47,500. OB. A debit to amortization expense for $ 47,500. OC. A debit to accumulated amortization for $71,250. OD. A debit to amortization expense for $ 71,250