The manufacturing costs of Calico Industries for 3 months of the year are as follows: Total lCost Production (units) April $110,400 231,000 May 90,600 160,300 June 91,500 234,500 Using the highlow method, the variable cost per unit and the total xed costs are Round your intermediate calculations to two decimal places. 0 a. $0.16 per unit and $65,440, respectively 0 b. $0.29 per unit and $32,720, respectively 0 c. $1.60 per unit and $6,544, respectively 0 d. $2.88 per unit and $6,544, respectively