Tim wants to establish a charitable foundation that will make annual scholarship payments of $23000 per year forever. Time wants the foundation to make the first annual of $23000 scholarship payments in five years from today and she wants annual scholarship payments of $23000 to continue every year after the fisrt payment. To fund the foundation, he plants to make equal annual donations to the foundation for four years. How much does he need to donate to the foundaiton each year for four years to have exactly enough in the foundation to make the planned annual scholarship payments if he makes his first donation to the foundation today, all donations to the foundation are equal and funds held by the foundation are expected to earn 6.70 percent year?