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2. An investor can buy a security at a price of $78.35 that will pay $100 after five years. What rate of return will s/he earn if he purchases the security? 3. Frank Wade knows that a security will provide a return of 10 percent per year, it will cost $68.30, and he will receive $100 at maturity. In how many years does the security mature? 4. Alex Bradford wants to start his own business in 12 years, and he plans to save funds to invest in the business. He has determined that he can save $10,000 per year for 12 years at 8.5 percent interest. If the first $10,000 deposit isn't made until one year from today, how much money will he have in 12 years when he starts his business? How much would he have if he deposits the first $10,000 today