A coffee shop manages its inventory of cup sleeves using a continuous review system with a reorder point of 20 packs and an order quantity of 60 packs. The lead time for replenishing the inventory is fixed at 1 day. At the end of day 0, the coffee shop has 40 packs of cup sleeves on hand, and there is no on-order inventory or backorder. The coffee shop's demand for the next five days is as follows: 23, 11, 16, 17, and 19 packs, respectively. What will be the coffee shop's inventory position at the end of day 5?

a. 14

b. 33

c. 53

d. 74