Saved Required Information [The following information applies to the questions displayed below.] The following information shows the units processed and the utility costs over the past 10 months in ABC Co. Month Units ProcessedUtility Cost January 140 $6,700 February 120 $5,700 March 110 $5,600 April 130 $6,200 May 160 $7,200 June 150 $6,800 July 100 $5,200 August 90 $4,400 September 80 $4,600 October 70 $3,600 Required: 2. Using the high-low method, estimate a cost formula for utility costs. Express the formula in the form Y=a+bx 3. Predict total utility costs in a month when 170 ingots are processed. Total power costs