MC algo 5-27 Calculating Interest Rates Rick deposited $2,950 into an account 6 years ago for an emergency fund. Today, that account is worth $3,970. What annual rate of return did Rick earn on this account assuming no other deposits and no withdrawals? Multiple Choice 4.74 percent 5.58 percent 5.07 percent n 487 percent Multiple Choice 474 percent 5.58 percent 5.07 percent 4.87 percent 3.79 percent