Abdulla,Co $$\begin{array} { l l l } \text { Oct. } 01& \mathrm { Cash } & 15,000 \\& \text { Rent Revenue Earned }&&15,000\end{array}$$

Essay

Abdulla,Co.collected 6-months' rent in advance from a tenant on October 1 of the current year.When it collected the cash,it recorded the following entry:
$$\begin{array} { l l l } \text { Oct. } 01& \mathrm { Cash } & 15,000 \\& \text { Rent Revenue Earned }&&15,000\end{array}$$
Assuming Abdulla only prepares adjustments at year-end,prepare the required adjusting entry at December 31 of the current year.