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