Unsure how to solve this and whats the answer

Homework: HW3 Score: 0 of 17 pts 1 of 6 (0 complete) SF3-2 (similar to) Salem Home provides house-sitting for people while they are away on vacation. Some of its customers pay immediately after the job is finished. Some customers ask that the business send them a bill. As of the end of the year, Salem Home has collected $800 from cash-paying customers. Salem Home's remaining customers owe the business $1,600. How much service revenue would Salem Home have for the year under the a. cash basis? b. accrual basis? a. Under the cash basis, Salem Home will record service revenue for the year in the amount of