Scottso Enterprises has presented the following information for the past eight months operations: Units 4,000 3,200 1.400 2,800 3,500 4,200 3,900 3,400 Month ri May June July August September October November Total Cost $17,000 $14.900 11,100 13,200 $16,000 17.400 $16.500 15.700 a. Using the high-low method, calculate the fixed cost per month and variable cost per unit. b. What would total costs be for a month with 3,000 units produced