Peter worked for GM for 31 years. On his retirement, he opted for a pension buy-out and received 51 467 921. He invested his money in an annuity that provided for payments of 9000 at the end of every month. If interest is 4.4% compounded monthly, determine the size of the final payment. $10160.52 $9160.52 $7160.52 $8160.52