Cost Estimation (5 points) The cost data for BC Billing Solutions for the year 2020 is as follows: Invoices Overtime Month Processed Wages January 12,000 $7,760 February 8,000 6,800 March 1,000 6,000 April 7,000 6,100 May 5,000 6,200 June 10,000 7,300 July 11,000 7,400 August 9,000 6,900 September 5,000 6,500 October 9,000 6,600 November 8,000 6,800 December 11,000 7,450 1. Using the high-low method, estimate a cost formula for utilities. 2. Predict the overtime wages if 9,000 invoices are processed