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Method of Least Squares, Goodness of Fit Deepa Dalal opened a free-standing radiology clinic. She had anticipated that the costs for the radiological tests would be primarily fixed, but she found that costs increased with the number of tests performed. Costs for this service over the past nine months are as follows: Month Radiology Tests 2,800 January Total Cost $133,500 135,060 175,000 2,600 February March 3,100 April 3,500 170,600 May 176,900 June 3,400 3,700 3,840 July August September 186,600 174,450 195,510 185,300 4,100 3,450 Required: YES 1. Compute the cost formula for radiology services using the method of least squares. If required, round your answers to two decimal places. x 2. Using the formula computed in Requirement 1, what is the predicted cost of radiology services for October for 3,500 appointments? (Round the answer to the nearest dollar)