HELP DUE IN 10 mins ASAP

You bought a house worth $311,000. You paid 25% of the purchase price in cash and arranged a twenty-year mortgage with a rate of 5.0% compounded semi-annually for the remaining balance. The mortgage has an amortization period of 20 years. How much will your monthly payments be (starting at the end of the first month)? The monthly payments on your mortgage will be $ (Round the final answer to the nearest cent as needed. Keep all decimal places as you work through the problem.)