please help! i found some other answers on chegg but they were wrong

You are considering the following two mutually exclusive investment opportunities. If your cost of capital is 10%, which is better. Explain your reasoning and support numerically. Capital is not rationed. (5 points) Opportunity A would cost $1000 and return $400 per year for 4 years. Opportunity B would cost $2000 and would return $1000 per year for 3