Tyler and Eunice just got married. As a wedding present Eunice's father purchased an

annuity that will give them payments every other year starting one year from today

$($at times $1,3,5,..,19).$ The effective annual rate is $4\%.$ The first payment is for

$3000$ and increases by $100$ each payment. How much did Eunice's father pay for this

annuity? $[23,459\mathrm{.}20]$