Jerry Jay is the CEO of Jerry's Jackets (JJ). In June, Jerry expects to produce and sell 3100 jackets, and he expects his June utilities cost to be $8,000 plus $0.80 per jacket. After the month ended, was reported that 2970 jackets were sold in June and $10,190 was spent on utilities. What is the activity variance for utilities in June? Round to the nearest whole number. If the variance is Favorable, enter a positive value. If unfavorable, enter a negative value