A company investing borrowed funds expects to earn a return greater than the interest it will pay for the use of funds is using

Financial leverage

Explanation:

Financial leverage is defined as the use of borrowed funds to perform a business activity or investment that is expected to have higher returns than the cost of borrowing the money (interest).

When a company is looking for funds for its activities there are 3 options they can use: equity, debt, or lease.

Use of equity is the only option where no extra cost is incurred for use of funds.

When using debt or lease cost of use is incurred. The business will need to engage in an activity that will give it revenue above cost of debt.

This practice is called use of financial leverage.