Troy has 75 fuses that he purchased for $4 each and 17 air filters that he purchased for $12 each on the floor of his auto repair shop. He has 80 of the same fuses and nine of the same air filters in his storeroom.

Which of the following is the weighted average cost of the fuses and air filters being sold if Troy implements the weighted average method to inventory these supplies?

• $4.02
• $4.09
• $5.15
• $5.48