Green Company Adds Materials at the Beginning of the Process

Green Company adds materials at the beginning of the process in the forming department,which is the first of two stages of its production cycle.Information concerning the materials used in the forming department in May follows: $\begin{array}{lll}&&\text { Materials }\\&\text { Units }&\text { Costs }\\\text { Work in process at May } 1 & 15,000 & \$ 8,000 \\\text { Units started during May } & 60,000 & \$ 38,500\\\text { Units completed and transferred to next department }\\\text { during May }&65,000\end{array}$ Using the FIFO method,what is the materials cost of the work in process at May 31? (Round unit calculations to the nearest cent.)