powerpoints

Do 4 slides powerpoints about the article bellow (from the website):

https://hbr.org/2014/11/a-refresher-on-net-present-value

Slide 1: the definition of the net present value

Slide 2: the applications and uses of the net present value

slide 3: the common mistake that people make of the net present value

slide 4: how the net present value is calculated using the formulas

Please do it in the form of points.