Required information $[$The following information applies to the questions displayed below.$]$ One Product Corporation $($OPC$)$ incorporated at the beginning of last year. The balances on its post$-$closing trial balance prepared on December $31,$ at the end of its first year of operations, were: The following information is relevant to the first month of operations in the following year: OPC sells its inventory at $$150$ per unit, plus sales tax of $6$ percent. OPC's January $1$ inventory balance consists of $180$ units at a total cost of $$12,060.$ OPC's policy is to use the FIFO method, recorded using a perpetual inventory system. The $$1\mathrm{.}600$ in Prepaid Rent relates to a pavment made in December for Januarv rent this vear.