GH&F Is a Calendar Year, Accrual Basis Taxpayer

GH&F is a calendar year, accrual basis taxpayer. In October 2012, GH&F received a $18,000 cash payment from a tenant who leases space in a commercial office building that GH&F owns. The payment was rent for the 18-month period beginning on November 1, 2012. As a result of the payment, GH&F should report:

A) $2,000 book income and taxable income
B) $2,000 book income and $18,000 taxable income
C) $18,000 book income and taxable income
D) None of the above