Several months ago, Isla contributed $100 to a small business in the Niagara region that was developing a new heat-resistant, ergonomic spatula. She recently received a box containing one of the spatulas with a short note from its inventor, thanking Isla for helping to make his "dream" of bringing the product to market a "reality". This is an example of ____________ . A. limited partnership B. crowdfunding C. joint venture D. debt financing E. equity financing