In This article, A refers back to the upcoming price of the expenditure; P refers to the principal total to generally be invested; r refers back to the level of interest; n refers to the volume of times the interest receives compounded each year; t refers back to the tenure https://www.google.com/maps/d/u/0/viewer?mid=1o3vHoDG_5EIkMXyD_8nuLLiHqxZbkJg