plz answer this question quick (will like up c:)

The manufacturing costs of Calico Industries for three months of the year are provided below: Total Cost Production (units) April $114,700 278,000 May 81,400 168,900 June 104,500 237,900 Using the high-low method, the variable cost per unit and the total fixed costs are Oa. $0.31 per unit and $28,520 Ob. $3.10 per unit and $2,852 c. $5.58 per unit and $2,852 d. 50.56 per unit and $14,260