%path = "maths/finance/annuity/monthly" %kind = kinda["problems"] %level = 11 Assuming you put aside monthly €{{g.r}} and get a monthly interest rate of {{g.i}}%, what will this saving accrue to in {{g.n}} months?
a) with interest compounded at the end of the month? (annuity) %include('chcko/getorshow',idx = 0)
b) with interest compounded at the beginning of the month? (annuity due) %include('chcko/getorshow',idx = 1)
c) After how many months do the savings amount to {{g.m}} times the monthly annuity? %include('chcko/getorshow',idx = 2)
d) Which effective annual interest rate is equivalent (conformal) to the monthly {{g.i}}%? %include('chcko/getorshow',idx = 3, example='(1.0-100.0)')