Galarneau Inc. maintains a call center to take orders, answer questions, and handle complaints. The costs of the call center for a number of recent months are listed below: Call Center February March April May June Calls Taken Cost 7,772 $84,259 7,741 $84,076 7,782 $84,322 7,780 $84,294 7,743 $84,075 7,754 84,119 7,796 $84,364 September 7,783 $84,302 Lul August Management believes that the cost of the call center is a mixed cost that depends on the number of calls taken Required Use Microsoft Excel to run a least-squares regression analysis on the above data, and estimate the variable cost per call and fixed cost per month using the least-squares regression method. (Round the "Variable cost" to 2 decimal places and the "Fixed cost" to the nearest dollar amount.) Variable cost Fixed cost per call per month