Fast solve plz

Company X wishes to select a cost driver to try to understand the support cost. The company is currently having two potential cost drivers: the number of machine hours and the number of labor hours. The regression analysis results revealed that the cost function based on number of machine hours cost driver has an R-squared of 10%, while the cost function based on the number of labor hours has an R-squared of 13%, Based on this information, which cost driver is to be selected? O a. The number of machine hours Ob. None of the given answers Oc. Either one can be selected because they are close Od. Neither one of the two e. The number of labor hours