Crane Corporation sells DVD players. The corporation also offers its customers a 4-year warranty contract. During 2020, Crane sold 20,000 warranty contracts at $66 each. The corporation spent $178,000 servicing warranties during 2020, and it estimates that an additional $890,000 will be spent in the future to service the warranties. a. Prepare Crane's journal entry for the sale of the contracts. b. Prepare Crane's journal entry for the cost of servicing the warranties. Assume the service costs are inventory costs. c. Prepare Crane's journal entry for the recognition of warranty revenue