equations and answers please

Q3) You currently owe $2,728 to your credit card that charges an annual interest rate of 22.00%. You make $112 of new charges every month and make a payment of $161 every month. What will your credit card balance be in three months? When inputting an answer, round your answer to the nearest 2 decimal places. If you need to use a calculated number for further calculations, DO NOT round until after all calculations have been completed. For the final answer, Round to 2 decimal places. Q4) You would like to retire in 35 years. The expected rate of inflation is 03.00% per year. You currently have a standard of living that requires $9,492 of monthly expenses. Assuming you want to maintain the same standard of living in retirement, what are your monthly expenses expected to be the first year of retirement? Q5) You purchases a house for $475,229. You made a down payment of $20,000 and the remainder of the purchase price was financed with mortgage loan. The mortgage loan is a 30 year mortgage with an annual interest rate of 04.00%. Mortgage payments are made monthly What is the monthly amount of your mortgage payment