A Company Received a $6,500 Deposit from a Customer for Goods

A company received a $6,500 deposit from a customer for goods to be delivered the following month.Under the accrual and cash basis of accounting respectively the deposit would be recorded as:
$$\begin{array} { | l | l | l | } \hline & \begin{array} { l } \text { Accrual } \\\text { bassis }\end{array} & \begin{array} { l } \text { Cash } \\\text { basis }\end{array} \\\hline \text { a. } & \text { a liability. } & \text { a liability. } \\\hline \text { b. } & \text { a liability. } & \text { income. } \\\hline \text { c. } & \text { income. } & \text { a liability } \\\hline \text { d. } & \text { income. } & \text { income. } \\\hline\end{array}$$