Hi, This is a Managerial Accounting question, please help me solve it. Thank you so much?

Grawburg Inc. maintains a call center to take orders, answer questions, and handle complaints. The costs ofthe call center for a number of recent months are listed below: Calls Taken Call Center Cost April 7560 $ 81,960 May 7529 $ 81,773 June 7570 $ 82,025 July 7568 $ 81,997 August 7535 $ 81,816 September 7549 $ 81,895 October 7592 $ 82,156 November 7579 $ 82,092 Management believes that the cost ofthe call center is a mixed cost that depends on the number of calls taken. Calculate the following using the high-low method: Variable Cost per unit produced [round to 2 $ decimal place) Overall Fixed Cost portion of Inspection Costs $ (round to 2 decimal place) Cost equation for Inspection Costs (in the linear Y equation format) Estimated Inspection costs when 973 units are 33 produced [round to nearest whole dollar)