For the raw materials used to make its skateboards, Shanita, SRL has a standard price of $22,10 per microgram and standard quantity per unit output of 8.8 micrograms. Last month there were 3,200 micrograms of raw material purchased for a total cost of $70,284, while 3,033 micrograms of raw material were used in the production of 295 skateboards. What was the materials price variance for the month?S