please do it in 30 minutes please urgently... I'll give you up thumb definitely

Intro An 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. Part 1 Attempt 2/2 for 5 pts. What is the promised return of the investment? 3+ decimals Submit