<span>When Callie developed a detailed description of her ideas for a gym and asked for feedback from women about the proposal, she was engaging in? Concept testing. Concept testing is the act of getting opinions/reactions to a product or service prior to the product or service entering the market. This helps gage consumer interest when pulling in a group of potential customers. </span>
<span>World trade refers to the total value of all the exports and imports of the world's nations.</span>
Time value of money <span>it's best to have money today, so it can be put to work sooner to make even more money. When you have money now, you can invest and start building </span>interest on it. The quicker you have money, the quicker you start to grow your money and the sooner it can double, triple etc.
Demand means the consumers want the product or service. If there is a demand, companies must supply. "supply and demand"
