In June, Blossom Manufacturing purchased $7200$ gallons of blue dye used to produce stone$-$washed denim clothing. The price per gallon was $$1\mathrm{.}22$ and the company used $6600$ gallons of the dye during the month. The standard price for the dye is $$1\mathrm{.}25.$ What is the materials price variance for Blossom for June?  Calculate.