Mark owns a machine shop. In reviewing the shop's utility bits for the past 12 months, he found that the highest The lowest utility bill of $2,300 occurred in December when the machines worked 600 machine hours. of $2,600 occurred in August when the machines worked 1200 machine hours Read the requirements Requirement 1. Use the high-low method to calculate the variable cost per machine hour and the total fed utility cost First, calculate the variable cost per machine hour. Select the formula labels, then enter the amounts and compute the valable cost per machine hour (Use the high low method Round your answer to the nearest cont.) Variable cost per machine how Calculate the total fixed cost Select the formula labels, then enter the amounts and compute the total fixed.com. (Use th e Total foxed cost Choose from any list or enter any number in the input fields and then continue to the next question Requirement 2. Show the equation for determining the totall y cost for the machine shop - Total utility cost Requirement 3. If Mark anticipates using 800 machine hours in January, predict the shop's total utility bill using the equation from Requirement 2. Select the items needed and compute the shop's total utility bill predicted for January Choose from any list or enter any number in the input fields and then continue to the next