Farad, Inc. specializes in selling used SUVs. During the first six months of 2013, the dealership sold 50 trucks at an average price of $ 9,000 each. The budget for the first six months of 2013 was to sell 45 trucks at an average price of $ 9,500 each. Compute the dealership's sales price variance and sales volume variance for the first six months of 2013.