n investment costs $480 and offers a payoff of $600 with probability p and 0 with probability 1-p. Time-equivalent Treasuries offer an interest rate of 4%. Assume risk neutrality, i.e. the expected return on any security of the same time duration should be the same regardless of how risky the payoff is. Attempt 2/2 for 0 pts. Part 1 What is the promised return of the investment? 0.17 Incorrect Part 2 Attempt 1/2 for 10 pts. What is the probability of default? 2+ decimals