E6-31A Using regression analysis output to predict overhead for a hospital laboratory (Learning Objective 5) Using the data provided in E6-29A, the laboratory manager performed a regression analysis to predict total laboratory overhead costs. The output generated by Excel is as follows: Requirements 1. Determine the lab's cost equation (use the output from the Excel regression). 2. Determine the R-square (use the output from the Excel regression). 3. Predict the total laboratory overhead for the month if 3,100 tests are performed