Wilco Inc. is a manufacturer of high-quality calculators for use in top 50 business schools. Their relevant range of operations is 4,000 to 7,000 units per month. Wilco computes the following cost equation using OLS regression: Total Manufacturing Cost =$120,000+3.20X X represents number of units produced. What would Wilco expect Total Manufacturing Costs to be at 3,500 units? $120,000 Some other answer $132,800 $142,400 $131,200