Present value $($with changing years$).$ When they are first born, Grandma gives each of her

grandchildren a $$5,000$ savings bond that matures in $18$ years. For each of the

following grandchildren, what is the present value of each savings bonds if the current discount rate

is $4\%?$

a$.$ Seth turned sixteen years old today.

b$.$ Shawn turned thirteen years old today.

c$.$ Sherry turned eight years old today.

d$.$ Sheila turned four years old today.