You would like to attend to Coachella 2021, end of April 2021. You evaluated that you would need 3000  to fund this project. In order to be sure to be able to get tickets, you would need this amount end of December 2020. You plan to save money every month for 2 years (end of each month), starting in January 2019 (i.e., 24 months). Assume that you can earn 2% per year on your money, 

How much do you need to invest (approximately) every month?