The ratio of shortage cost to shortage plus excess cost is 0.67. The ratio of shortage cost to shortage plus excess cost is 0.8. The ratio of shortage cost to shortage plus excess cost is 0.5. The standard deviation of demand during lead time equals the daily standard deviation of demand times the square root of the which one of these would not be a factor in determining the reorder point? lead time. The Grocery Store Accounting probability is 95 percent that demand during lead time will not exceed the amount on hand at the beginning of lead time. A) The EOQ.B) The lead petty cash time.C) The variability of demand.D) The demand or usage rate.