19 XYZ Company's accountant is estimating next period's total overhead costs (Y). She performed three regression analyses, the first is based on direct labor hours (DLH), the second is based on machine hours (hr), and the third is based on quantity produced (Q). The results were: [Y=$95,000 + $9XDLH; R-square - 0.85); [Y= $120,000 + $5xMhr; R- square = 0.15); [Y-190,000+20; R-square=0.45). How much of the variations on the overhead costs is explained by the machine hours (Mhr)? ut of Select one: a. 85% b. 15% c. None of the answers given d. 55% e. 45% 20 XYZ Bakery bakes breads that are sold to local restaurants and grocery stores in Muscat. When 300 breads are baked, the average cost is $1.25 per bread. When 900 breads are baked, the average cost is $0.65 per bread. What is the total cost when 600 breads are baked? ad out of Select one: a. $497.50 b. None of the answers given c. $750.00 d. $390.00 e $480.00