Calculate the Missing Information on the Following Revolving Charge Account

Calculate the missing information on the following revolving charge account. Interest is calculated on the unpaid or previous month's balance, rounding to the nearest cent. $$\begin{array} { l l l l l l l } & \text { Annual } & \text { Monthly } & & \text { Purchases } & \text { Payment } & \\\text { Previous } & \text { Percentage } & \text { Periodic } & \text { Finance } & \text { and Cash } & \text { and } & \text { New } \\\text { Balance } & \text { Rate } ( \text { APR } ) & \text { Rate } & \text { Charge } & \text { Advances } & \text { Credits } & \text { Balance } \\\$ 26.28 & 18 \% & & & \$ 45.75 & \$ 15.00 &\end{array}$$