Labrie Hospital wants to analyze its revenue per patient day. A "patient day" is one patient staying for one day. The following information has been provided to you: Period Revenues $20,325 20,580 19,829 19,917 20,035 16,705 17,805 21,358 18,895 18,466 Patient Days 768 703 699 790 702 558 641 802 634 565 10 Required: A. Determine the revenue formula using the linear regression. B. What is the estimated revenue if 600 patient days are used? C. What is the estimated revenue if 700 patient days are used