Answer:
See below
Step-by-step explanation:
1. Issued a $1000 security that can be converted to 100 shares after five years: 
Convertible bond; bonds are debt instruments. A convertible bond is special because they have the option to convert the debt to capital.
2. Granted tax incentive for research and development. 
Government :the government support business through incentives such as tax cuts and grants.
3. Sanctioned along-term loan in exchange for collateral: 
Bank. A loan from the bank is a source of capital for a business. 
4. Impressed with the business plan, Mr. Doyle provided $75,000.
 Angel investor: they are wealthy individuals who offer capital to start-up based on their proposals and business plans.
5. Secured $100,000 from the sale of common stock: 
Venture capitalist: They invest in successful businesses by buying securities with profit expectations.