Benefit Cost Ratio - Engineering Economic Analysis - one cash flow diagram

How to calculate a simple benefit cost ratio for a single cash flow.
Here is my book of 55+ Engineering Economics problems
goo.gl/KKOx0q

[@nursahin9746]

Thank you so much, sir.
That was an amazing explanation.

[@Zenda123ss]

ur explanation is amazingg. keep up the good work!

[@AlushaRogge]

A simple way to explain a complicated issue

[@thabomalete7908]

Awesome, this video is a life saver

[@TheAminovishi]

Hi,
Thank you for uploading this video.
I have a question: are benefit and cost which used to calculate the B/C ratio after tax or before tax ?
Thanks

[@lantrinh4214]

hi, thank you for this video. it really good video

[@TallBridgeguy]

+Lan Trịnh thanks!

[@saadhumaid9546]

thanks bro!

[@ahmedalajib3902]

I have one problem l need to solve it plz