Prime Products uses a JIT management system to manufacture trading pins. The standard cost per pin is $$2$ for direct materials and $$3$ for conversion costs. Last month, Prime recorded the following data:

$\backslash$table$[[$Number of pins completed,$4,100$ pins$],[$Number of pins sold $($on account at $$7$ each$),3,700$ pins$],[$Raw material purchases $($on account$),$$$7,000$