Sunland, Inc., has collected the following information on its cost of electricity: Machine Hours Total Electricity Costs January 510 $250 February 540 $290 March 380 $200 April 460 $200 May 670 $300 June 700 $310 July 330 $160 August 540 $280 September 210 $128 October 750 $310 November 850 $320 December 600 $290 Identify the high and low points. Machine Hours High point enter the machine hours for high point 0.4 enter the high point in dollars 326 Low point enter the machine hours for low point enter the low point in dollars Using the high-low method, compute the variable cost of electricity per machine hour. (Round unit cost to 2 decimal places, e.g. 52.75.) Variable cost enter the variable cost per machine hour in dollars 0.43 per machine hour Compute the total fixed cost of electricity. (Round answer to 2 decimal places, e.g. 52.75.) Fixed cost enter the fixed cost amount in dollars 2.29 eTextbook and Media Attempts: 1 of 3 used (c) Represent the electricity cost function in equation form. (Round answers to 2 decimal places, e.g. 52.75.) Total cost = $enter a dollar amount MH + $enter a dollar amount eTextbook and Media Attempts: 0 of 3 used (d) What is the expected electricity cost when 750 machine hours are used? (Round answer to 2 decimal places, e.g. 52.75.) Total cost enter the total cost amount in dollars