Every year, on 1st January, starting in 2020 and ending in 2049 (so 30 payments), you deposit $1,000 into a bank account. What rate of return would you need to earn on the account so that on 31st December 2049, just after that year's interest was paid into the account, you had $50,000 in the account? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.

a 3.11% b 3.12% c 3.13% d 3.14%