6. Presented below is the production data for the first six months of the year showing the mixed costs incurred by Eunice Company. 
 MonthCostUnits 
 January$7,5004,000 
 February13,0007,500 
 March11,5009,000 
 April11,70011,500 
 May13,50012,000 
 June11,8506,000 
 Eunice Company uses the high-low method to analyze mixed costs. The variable cost per unit is ________ and the fixed cost is …………….. 
 A) $0.625 B) $0.75 
 C) $1.25 D) $1.31