A is a promise that the buyer's money will be refunded under certain conditions.

A. money-back guarantee
B. warranty
C. service contract
D. insurance policy

A. money-back guarantee

Explanation:

Money-back guarantee represents when buyers purchase a product from the market and get a warranty card. After purchasing a product if the buyer is not satisfied with the product and goes to the shop by stating that he is not satisfied with the product and it comes under warranty. The Product can replace a product or money-back guarantee (if it comes under the policy when purchased the product) if the customer not satisfied with the product.

So if seller is promised from buyer for a money-back guarantee if buyer is not satisfied from the product then the seller has a responsibility to return the buyer money.

answer; commerce clearing house;

credit history is used by lenders to determine whether you are a 'risky' person to give their money to.

having a short history provide very little data for the lenders. they wouldn't be able to determine your credit behavior from such a small samples. even if they are perfect.

having long credit history with few blemishes provide larger and more accurate data for the lenders to predict your credit behavior.