Marketing ROI (Return on Investment)refers to

Marketing ROI (return on investment) refers to

A) the application of modern measurement technologies to understand,quantify,and optimize production costs.
B) the application of modern measurement technologies to understand,quantify,and optimize marketing spending.
C) the application of modern measurement technologies to understand,quantify,and optimize research and development (R&D) expenses.
D) the allocation of funds based on a percentage of the total marketing budget determined by assessing the anticipated revenue return for a given marketing action.
E) the allocation of funds based upon the minimum expenditure possible to create the maximum results in terms of total sales.