help pleas

1. You discovered a project opportunity which costs 74,000$ today. The project generates 12,000$ in two years, costs 4,000 in three years and then generates 30,000 for the next 5 years. What is the payback period of this project? 2. As of 2020, you are holding a 30 year government coupon bond which is issued 5 years ago. The bond makes semi-annual payments and it sells for 1240$. If the relevant market interest rate is 8%, how much is the annual coupon payments