XYZ Company's accountant is estimating next period's total overhead costs (Y). She performed three regression analyses the testis based on direct labor hours (DLH), the second is based on machine hours (hr), and the third is based on quantity produced to the results were: [Y=$95,000 + $9xDLH; R-square = 0.85); [Y= $120,000 + $5xMhr; R-square - 0.15. [Y-190,000 20 R- se 0.45 much of the variations on the overhead costs is explained by the machine hours (Mhr? a Select one: a. 45% b. 85%6 c. None of the answers given d. 5596 e 15% Clear my choice