You know the same details with an IRR and you can solve for the NPV expressed as a percentage return ... The Excel formula ...

Sometimes shops offer discounts in the form of a percentage. If the shop is offering \(25\%\) discount then we would work out \(25\%\) of the original price. We would then subtract the answer from ...

So, 22 times 20 and then the percentage button, 4.4, so £4.40. Ok, so final part, 22 take away the £4.40 discount makes £17.60. Speaker 1: Yeah that was faster, I'll use a calculator next time.