How does a production possibility chart assist in outlining opportunity cost?

it compares profit potential of one product to another.
it compares production cost of one product to another.
it compares production numbers of one product to another.
it compares consumer demand of one product to another

It compares production numbers of one product to another.

Explanation:

the production possibility chart will create a future projection on a different variety of goods that you can produce based on the assets that you own and capital that you can use during the operation.

By making this projection , Companies could predict the potential sales of each product and  determine the type of goods that will give them the most profit.