A productivity index of 110% means that a companys labor costs would have been 10% higher if it had not made production improvements. Now refer to the Income Statement in Chester's Annual Report. The direct labor costs for Chester were $32,584. These labor costs could have been $20,000 higher if investments in training that increased productivity had not been made. What was the productivity index for Chester that led to such savings? Select: 1Save Answer 44.8% 38.6% 161.4% 155.2%