Skydiver Question. Several of your friends have offered to take you on a tandem skydiving adventure: Strapped together with a si
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<u>Solution:</u>
Average demand = 100 units per day, with a standard deviation of 12 units
Average lead time = 12 days with a standard deviation of 2 days
250 days per year
unit cost = $25 , desired service level = 95% , Ordering cost = $50 , Inventory carrying cost = 20%
<u>Lets say </u>
Average demand = Ad
Average lead time = At
Unit cost = U
Desired service level = Dl
Ordering cost = O
Inventory carrying cost = Icc
Standard deviation =S
Thus,
S of demand at Dl = = 205 units
SS = 1.65 multiply with 205 = 339 units
Total units in a day = 250 multiply with 100 = 25000
<u>EOQ</u> = = 708 units
here 25 and 0.2 is unit cost and invetory cost
TAC
<u>annual ordering cost </u>
O = = 1765.5
<u>Annual inventory cost </u>
Icc = = 1770
Annual product cost = Pc
25 multiply with 25000 = 625000
<u>total = O +Icc+Pc </u>
625000+1770+1765.5 = 628535.5
If the service level increases from 95% to 99%, cost will dec per unit