plz help answer the question by choosing from the multiple choice given at the bottom thank you!

Precious Process Proprietorship manufactures refrigerators in one department. All material costs are added at the beginning of the manufacturing process. Based on the following data, what is the total number of Equivalent Units--Conversion Costs produced for the month of June? Production Data - Month of Jun Refrigerators \begin{tabular}{|l|l|} \hline Work in Process Units, June 1st & Ze ro units \\ \hline Units startet into production in June & 20,000 Units \\ \hline Work in Process Units, June 3oth & 4,000 Units \\ \hline work in Process, June 3oth, Percent & 75% \\ \hline Complete (Conversion losts) & 75% \\ \hline \end{tabular} \begin{tabular}{|l|l|} \hline Cost Data -June & Dollars \\ \hline work in Process, June 1st & $ zero \\ \hline Material Cost Added During Month & 245,000 \\ \hline Labor Cost Added During Month & 420,000 \\ \hline Overhead Cost Added Doring Monthh & $1,505,000 \\ \hline Total & $5% \\ \hline \end{tabular} 19,000 units 20,000 units 24,000 units 23,000 units