Vista City Hospital plans to allocate spare beds (those not already occupied) for short stays 4 days in advance. During the 4-day planning period, about 30, 25, and 20 patients will require 1-day stays. ,2 or 3 days, respectively. The extra beds during the same period are estimated at 20,30,30 and 30, respectively. Apply goal programming to solve the problem of overadmission and underadmission in the hospital.