Balcom Enterprises is planning to introduce a new product that will sell for 5110 a unit Manufacturing cost estimates for 20.000 units for the first year of production are: - Direct materials $1,000,000 Direct labor $720,000 (based on 518 per hour 40,000 hours) Although overhead has not be estimated for the new product, monthly data for Balcom's total production for the last two years has been analyzed using simple linear regression. The analysis results are as follows: Dependent variable Independent variable Intercept Coefficient on independent variable Coefficient of correlation Factory overhead costs Direct labor hours $ 120,000 $ 5.00 0.911 0.814 R2 Based on this information, what percentage of the variation in overhead costs is explained by the independent variable? O 24% 91.1 % O 9.7% 81.4%