The following data is from Prime Production Ltd for the machine usage and power costs for a recent 6 month period. Month Machine Hours 2,000 Electricity Cost $ Jul 1,850 Aug 2,100 2,700 2,400 Sep 1,700 Oct 1,900 1,700 Nov 1,700 1,500 Dec 2,100 1,700 Machine Hours Usage Cost Relationship 2,500 Aug . 2,000 Jul Oct Dec Nov. Sep . 1,500 Electricity Cost 1,000 500 500 2,000 2,500 3,000 1,000 1,500 Machine Hours Required: 1. Using the High-Low method, compute the variable cost per machine hour. 2. Using the results from above, what is the fixed cost portion of the monthly electrical cost? 3. What is the Linear cost formula for the machine hour and electrical cost relationship? What does Y represent? 4. What would be the expected electricity costs at 2,600 machine hours for a month