Compton Computers sold a computer (cost of $3,600) for $7,000 to a customer. The customer paid cash. The sales price included a one-year service contract valued at $270. One of the journal entries for the sale of the computer would be: A. debits to Sales Revenue for $6,730 and to Unearned Revenue for $270; credit to Cash for $7,000. B. debit to Cash for $7,000; credits to Sales Revenue for $6,730 and to Uneamed Revenue for $270. C. debit to Sales Revenue for $7,000; credit to Cash for $7,000. OD. debit to Cash for $7,000; credit to Sales Revenue for $7,000.