The manufacturing costs of Calico Industries for 3 months of the year are as follows: April May June Total Cost $120,700 80,100 109,500 Production (units) 277,600 165,500 241,200 Using the high-low method, the variable cost per unit and the total fixed costs are Round your intermediate calculations to two decimal places. Oa. $3.60 per unit and $2,076, respectively Ob. $6.48 per unit and $2,076, respectively Oc. 50.65 per unit and 510,382, respectively Od. $0.36 per unit and $20,764, respectively