Carlota has opened a small business. She is selling a bottled hot sauce made from locally grown peppers using a formula passed down in her family. The product is sold via eBay and Amazon and is delivered by FedEx. Promotion thus far has relied on word-of-mouth on social media. For only $9.95, you can buy a quart bottle. Each customer’s first order is shipped with a coupon offering a discount on the next purchase. The FedEx shipping is part of the ____________ component of the marketing mix.