How much will a $29,000 EE savings bond cost when you initially purchase it? Assuming the bond earns 3.89 percent annually, approximately how long will it take for the bond to reach its stated face value?

a. When you initially purchase it, the EE saving bond will cost $14500

b. Assuming the bond earns 3.89 percent annually, the length of time it will take for the bond to reach its stated face value is enter your response here years.

Need help with B. Thank you!