hudson corporation is considering three options for managing its data warehouse: continuing with its own staff, hiring an outside vendor to do the managing, or using a combination of its own staff and an outside vendor. the cost of the operation depends on future demand. the annual cost of each option (in thousands of dollars) depends on demand as follows. demand staffing options high medium low own staff 750 750 700 outside vendor 1,000 700 400 combination 900 750 600 (a) if the demand probabilities are 0.2, 0.5, and 0.3, for high, medium and low demand respectively, which decision alternative will minimize the expected cost of the data warehouse? what is the expected annual cost associated with that recommendation? (enter your answers in dollars.) ev(own staff)