In This article, A refers back to the long run value of the expense; P refers back to the principal total for being invested; r refers back to the rate of curiosity; n refers to the amount of moments the curiosity will get compounded each year; t refers to the https://www.google.com/maps/d/u/0/viewer?mid=1o3vHoDG_5EIkMXyD_8nuLLiHqxZbkJg