Ziegler Inc. has decided to use the high-low method to estimate the total cost and the fixed and variable cost components of the cotal cost. The data for various levals of production are as followst a. Determine the variable cost per unit and the total foxed cost. Variable cost: (Round to the nearest dollar.) per unit Total fixed cost: b. Based on part (a), estimate the total cost for 2,800 units of production. Total cost for 2,800 units