Step::1 Login to your WHMCS.
Step::2 Hover over the Setup section and click on General settings.
Step::3 Now jump on to the Ordering tab.
Step::4 Scroll down and search for “Monthly pricing breakdown” option. Tick to enable.
Step::5 Click on save changes.
That's It !Check out the video tutorial to get the procedure in detail. Read the blog as well.