Gleaming Gem Corporation Agrees to Sell Jewelry Outlets,Inc

Gleaming Gem Corporation agrees to sell Jewelry Outlets,Inc.(JOI) ,fifty new diamonds,but the contract does not specify a place of delivery.JOI is expected to pick up the goods.The place of delivery is

A) Gleaming's place of business.
B) JOI's place of business.
C) the Annual Gems and Jewels Convention.
D) the U.S.Postal Service office nearest to JOI's place of business.