points 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 6,500 4,800 Cost 1 $81,250 $60,000 Cost 2 $121,875 $90,000 Cost 3 $197,750 $191,800 Cost 4 $110,000 $110,000 What is the best estimate of the total monthly fixed cost? A $319,000 B. $175,000 c. $285,000 D. $110,000