Ace Hardware's economic order quantity is 100 widgets, its total demand is 20,000 units per period. its carrying cost per unit is 20% of inventory value, its purchase price is $4 and its fixed cost order is $20. which of the following is the total inventory cost of Ace?

a. 1,250$

b. 3,250$

c. 1,750$

d. 2,000$

e. 4,040$