Production Volume (units) Total Cost ($) 400 4,000 450 5,000 550 5,400 600 5,900 700 6,400 750 7,000 a. Compute and (to 1 decimal). 7.6 1246.7 Complete the estimated regression equation (to 1 decimal). 1246.7 7.6 b. What is the variable cost per unit produced (to 1 decimal)? c. Compute the coefficient of determination (to 3 decimals). Note: report between and . What percentage of the variation in total cost can be explained by the production volume (to 1 decimal)? d. The company's production schedule shows units must be produced next month. What is the estimated total cost for this operation (to the nearest whole number)?