The Abner Corporation, a retail seller of television sets, wants to determine how many television sets it must sell to earn a pro t of $10,000 per month. The price of each television set is $300, and the average variable cost is $100. a.What is the required sales volume if the Abner Corporation's monthly xed costs are $5,000 per month? b.If the rm sells each television set at a price of $350 rather than $300, what is the required sales volume? c.If the price is $350, and if average variable cost is $85 rather than $100, what is the required sales volume?