2. The following computer printout estimated overhead costs using linear regression: t for H(0) Parameter=0 Pr>t Std. Error of Parameter Parameter Estimate 1000 Intercept Setup hours # of parts 25 1.96 81.96 9.50 .0250 .0001 .0001 510.204 0.305 10.527 100 R Square (R) .94 Standard Error (Se) 75.00 Observations 160 What is the fixed cost amount? What is the cost formula for overhead costs? What does the coefficient of determination in this model tells us? c. 3. The Valdez Mug Company manufactures plastic mugs that sell to wholesalers for $4.00 each. Variable and fixed costs are as follows: Fixed Costs per Month Variable Costs per Unit Manufacturing: Direct materials Direct labor Factory OH $0.60 0.70 0.50 $1.80 Factory Overhead $ 8,000 Selling & Admin. 6,000 $14,000 Selling and admin. Total 0.40 $2.20