Peter makes a deposit at the end of every three months into a savings account that earns interest at 3.2% compounded quarterly. He saves for 9 years, and then converts his savings into an annuity that...

Peter makes a deposit at the end of every three months into a savings account that earns interest at 3.2% compounded quarterly. He saves for 9 years, and then converts his savings into an annuity that pays him $1400 at the end of every three months for 12 years. What size of the deposit he makes while he is saving?

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