The number of users on a website is 820 and is growing exponentially at a rate of 21% per year. Write a function to represent the number of users on the website after tt years, where the monthly rate of change can be found from a constant in the function. Round all coefficients in the function to four decimal places. Also, determine the percentage rate of change per month, to the nearest hundredth of a percent. pls just give me an actual answer pls.