Setting up linear inequality word problem - math help

The video tutorial explains how to set up an inequality to represent a surf shop's financial situation. The shop has weekly expenses and sells skimboards and longboards at specific prices. The teacher guides students to define variables for the number of skimboards and longboards sold, calculate revenue, and set up an inequality to ensure the revenue exceeds costs, thus making a profit.

Why does the revenue need to be greater than the costs for the surf shop?

What inequality represents the situation for the surf shop to make a profit?