Answer:
a. The seller's place of business.
b. The seller's residence, if the seller has no business location
c. The location of the goods, if both parties know at the time of contracting that the goods are located somewhere other than the seller's business
Step-by-step explanation:
Base on the scenario been described in the question, when it is not stated in the contract, where the good are going to be delivered, the place the goods are to be delivered is in any for the places mentioned above which are;
a. The seller's place of business.
b. The seller's residence, if the seller has no business location
c. The location of the goods, if both parties know at the time of contracting that the goods are located somewhere other than the seller's business