ch 4 kb. great value, inc. has collected the following information over the last six months. monthunits producedtotal cost march2,000$6,700 april3,200$9,400 may2,200$7,100 june3,000$9,500 july2,800$8,000 august2,100$6.600 using the high-low method, how much is the variable cost per unit? group of answer choices $3.14