(a) Determine a minimum-cost staffing plan for PharmaPlus. (Let P be the number of full-time equivalent pharmacists. Let T be the number of full-time equivalent technicians.) Min How many pharmacists and technicians are needed? What is the Optimal Objective Value? $at(P,T)=( (b) Given current staffing levels and expected attrition, how many new hires (if any) must be made to reach the level recommended in part (a)? Additional Pharmacists to hire Additional Technicians to hire What will be the impact on the payroll? The payroll cost using the current levels of 85 pharmacists and 175 technicians is $[ ] per hour. The payroll cost using the optimal solution in part (a) is $1 ]per hour. Thus, the payroll cost will go by $[