BugLess Inc, a Calendar Year, Accrual Basis Corporation, Provides Pest

BugLess Inc, a calendar year, accrual basis corporation, provides pest extermination services to its customers. In October 2018, BugLess contracted with Mr Cass to provide monthly service calls for 24 months. Each service call costs $60, and Mr Cass prepaid $1,440 when he signed the contract. BugLess made three service calls to Mr Cass' home in 2018. As a result of the contract, BugLess should report: 

A)  $1,440 taxable income in 2018.
B)  $180 taxable income in 2018, $720 taxable income in 2019, and $540 taxable income in 2020.
C)  $180 taxable income in 2018, and $1,260 taxable income in 2019.
D)  None of the above