Question

What two lines on a cost curve diagram intersect at the zero-profit point?

Short answer

The zero profit point denotes the moment at which the company makes no money.

Step-by-step solution

Zero profit point :

The zero profit point denotes the moment at which the company makes no money. It is the point at which the cost of producing a certain level of output is precisely equal to the price at which the business sells its product.

Explanation : 

We can see from the diagram that at the lowest point AC, MC cuts AC since MC is increasing significantly quicker than AC. The intersection of the average revenue and marginal cost curves is the zero profit point.