How do we define "return on investment" $($ROI$)$ in marketing?

Group of answer choices

The process of measuring and evaluating the results of marketing strategies and plans and taking corrective action to ensure that objectives are achieved.

The series of departments that carry out value$-$creating activities to design, produce, market, deliver and support a firm's products.

The marketing logic by which the business unit hopes to create customer value and achieve profitable customer relationships.

The net return from a marketing investment divided by the costs of the marketing investment.