Billy Bob and family are planning on purchasing a house for $432,000 using a 30 year fixed-rate mortgage from their local credit union. The mortgage rate offered to Billy Bob is 4.59%. Billy Bob will make a down payment of 20% of the purchase price to avoid PMI. What will be Billy Bob's monthly payment for principal and interest, excluding the escrow for taxes and insurance? (Answer in $s to the nearest penny, format xxx.xx with no $ sign needed.)