Present value (with changing years). When they are first born Grandma gives each other grandchildren a $4.000 swings bond that matures in te years. For each of the following grandchildren, what is the present value of each savings bonds if the current discount rate is 597 a. Seth turned steen years old today b. Shawn turned seven years old today c. Sherry turned ten years old today d. Sheila turned three years old today e. Shane was just bom