The manufacturing cost of Prancer Industires for three months of the year are provided below: Total Cost Production April $60,700 1,200 units May 80,920 1,800 June 100,300 2,400 Using the high-low method, the variable cost per unit, and the total fixed costs are: a. $32,30 per unit and $77,520 respectively b. $33 per unit and $21,100 respectively c. $32 per unit and $76,800 respectively d. $32.30 per unit and $22,780 presepctively. Please show work