please help solve the blank boxes

The costs of a company's call center for a number of recent months are listed below: April May June July August September October November Calls Taken Variable cost Fixed cost 4,830 4,799) 4,840 4,834 4,800 4,814 4,860 4,847 Call Center - Cost $ 52,363 $ 52,123 $ 52,444 $ 52,375 $ 52,119 $ 52,225 $ 52,592 $ 52,501 Management believes that the cost of the call center is a mixed cost that depends on the number of calls taken. Required: 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.) per call per month

The costs of a company's call center for a number of recent months are listed below: Management believes that the cost of the call center is a maxed cost that depends on the number of cals taken. Required: Estimato the varioble cost per call and foxed cost per month using the least-squares regression method, (Round the "Voriable cost" to 2 decimal places and the "Flixed cost" to the nearest dollar amount.)