QUESTION 15 1P Copy of Your Corporation has provided the following production and total cost data for two levels of monthly production volume. The company produces a single product Production volume in units 3,500 6,500 Cost one $39,375 $73,125 Cost two $115,000 $115,000 Cost three $22,750 $42,250 Cost four $146,575 $153,925 Total cost $323,700 $384,300 What is the best estimate of the per unit variable? (MAKE SURE YOU CONSIDER WHAT YOUR ANSWER IN 13 MEANS) O A $13.70 OB. $8.95 OC $19.78 OD. $20.20 E. $21.35