What equal end of month deposit over two years would accumulate the same amount under the same interest compounding (12% compounded semiannually) and at an interest rate of 12% per year compounded...

What equal end of month deposit over two years would accumulate the same amount under the same interest compounding (12% compounded semiannually) and at an interest rate of 12% per year compounded monthly and continuously?

Extracted text: The quarterly cash flows (in thousands dolar) associated with a company are shown velow at an interest rate of 12% per year compounded semiannually: Quarter Cash Flow, $/Quarter 800 2-3 5-8 1500 2400