Case: Company A send an email to Company B requesting to stop the production of the engines as it was recently announced that an Indonesian company had developed a new type of engine that would save up to 65% of fuel consumption; thus, saving a lot of money. Company B replied that the engines where on their way and that if they did not receive the payment, they will bring an action against Company A. The buyer did not process any payment whatsoever.

Question: Which company is legally under the CIGS right and why?