Acompany needs to locate three departments (x, y, and z) in the three areas (i, ii, and iii) of a new facility. they want to minimize interdepartmental transportation costs, which are expected to be $.50 per load meter moved. an analyst has prepared the following flow and distance matrices: distances (meters)from/to i ii - 10 20ii - 10iii -flows (loads per week)from/to x y zx - 0 80y 30 - 150z 100 130 -1. what are total weekly costs for an optimum layout? (a) $2,600(b) $6,200(c) $3,600(d) $8,200(e) $7,200

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?