30p question Calculate the missing values.For the six month period given, Fred wants to calculate the monthly deviation from the average.Month Sales Average DeviationJuly $1,250 1,412.50 -162.50Aug. $1,700 1,412.50 ( )Sept. $1,125 1,412.50 ( )Oct. $1,850 1,412.50 ( )Nov. $1,500 1,412.50 ( )Dec. $1,050 1,412.50 ( )

Subtract the average from the sales to get the deviation.Aug. 1700 - 1412.50 = 287.50Sept. 1125 - 1412.50 = -287.50Oct. 1850 - 1412.50 = 437.50Nov. 1500 - 1412.50 = 87.50Dec. 1050 - 1412.50 = -362.50