7. A grain elevator is considering a location for a new plant. A site is to be selected in your state or one or more neighboring states. All employees fall into two job clas- sifications, listed in the following table with annual payroll for each classification. Find out the current manual rates in order to complete the table below. Total Annual Payroll ($) First Adjacent State Your State Second Adjacent State Job Classification Grain elevator operator Truckman 2,500,000 850,000 (a) If the company will pay manual rates for the first three years, what is the total cost of premiums over three years for each of the possible sites? (b) Compared with the site with the highest premium rates, how much is saved over three years at each of the other sites