Bob Smith is saving for the down payment on a new car. If he is very careful with his money, he will have the full down payment in six months. Because his time frame is short, he is deciding between a low-risk saving option and a moderate-risk investment account. What would you recommend for Bob in these circumstances and why

Your friend has recently started up a new business to produce and sell swimming suits but is worried about the seasonality of cash flows the business will face. This is because the demand for swimming suits will most likely be higher in summer than in other seasons, particularly winter. He asks you for help on how he should manage this risk. What would your advice be?

You have to decide whether to invest $100 in a friend's enterprise, where in a year's time the money will increase to $130. You have agreed that your friend will then repay you $120, keeping $10 for himself But instead he may choose to run away with the whole $130. Any of your money that you don't invest in the enterprise you can invest elsewhere safely at the prevailing rate of interest r and get $100 (1+r) next year. For interest rate r> __A___% there is an equilibrium outcome of the infinitely repeated game in which each period you invest with your friend and he repays as agreed. If the rate of interst is 10% per year, an alternative profit-splitting agreement giving $__B___ for the friend is an equilibrium outcome of the infinitely repeated game, where each period you invest with your friend and he repays as agreed. Answer A= ? Answer B= ?

Solve it correctly please. I will rate accordingly. Ty-ped answer please. Multiple votes will be given.