Demand or SN (thousands) where: $100 200 250 300 400 Frequency V/10 //10 The firm's estimates of long and short costs are: 4/10 V/10 //10 P(SN) 1 .2 .3 3 SC = $1,000+ 8X LC $500 + 1.0Y SC total period short costs LC total period long costs X = total number of units (thousands of dollars) short during the period Y = total number of units (thousands of dollars) long during the period How much cash should the bank keep on hand for the next period to minimize total expected long and short costs?