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: OAA credit to accumulated amortization for $ 47,500. OBA debit to amortization expense for $71,250. OCA debit to accumulated amortization for $71,250. OD. A debit to amortization expense for $ 47,500