Final answer:
The total cost of the merchandise is $4,480.
Step-by-step explanation:
To calculate the total cost of the merchandise, we need to add the initial purchase cost, transportation costs, and deduct the amount returned. The initial purchase cost was $4,400 and the transportation costs were $385, giving us a subtotal of $4,785. After deducting the return of $305, the final cost is $4,480.