Answer:The extra cost is$ 0.72
Step-by-step explanation:
Using the formula √2DCO/CC
Where CO = ordering cost per order
D = Demand per annum
CC = carrying cost or holding cost per annum
Demand = 1000*52 = 52,000 per annum
ordering cost = $15 per order
Holding Cost = 15/100*52,000 = 7,800 per annum
√2DCO/CC
√2*15*52,000/7,800
√1,560,000/7,800
√200
= $14.14
Extra Cost wiil be
900*52 = 46,800 per annum
√2*15* 46,800/7,800
√1,404,000/7,800
√180
13.42
Therefore the extra cost is
14.14 - 13.42
= $0.72