please help out

Colton Enterprise wants to accumulate a total sum of $697,000 in a few years. They want to deposit $175,300 today and make additional $8,940 deposits at the end of every month thereafter. How many additional deposits and how long will it take to accumulate the $697,000 if interest rate is 10.3% compounded semi-annually? Enter the future value as a positive value in the FV box below. Enter PV and PMT as positive or negative values based on FV being positive. Report N (number of additional deposits) as a whole number