X company sold service-type warranty for $400 cash. The journal entry should be O a. Debited to sales revenue 400 O b. Credited unearned warranty revenue 400 . Debited to Unearned warranty revenue 400 O d. Credited sales revenue 400 Posner Co. is a retail store operating in a state with a 8% retail sales tax. The gross sales $754,350. The amount of sales taxes is O a $49,350 O b. $55,878 O c $67,893 O d. $62,286