Dally demand for a product is 60 units with a standard deviation of 11 units. The review perlod is 6 days, and lead time is 3 days. At the time of review, there are 80 units in stock. If 95 percent service probability is desired, how many units should be ordered? (Use Excel's NORMSINV() functlon to find the correct critical value for the given a-level. Do not round Intermedlate calculations. Round " z " value to 2 decimal places and final answer to the nearest whole number.)