Answer:
Step-by-step explanation:
Cablevision can easily accomplish this by doing the following. First gather the number of sales of premium services and other products that non-trained individuals are accomplishing in a given time period (example, one month). Next, under the same conditions place the newly trained individuals and gather the same data from them (number of sales/subscribers gained, premium products, and other products). Finally, they would simply need to compare the difference in the number of sales to see if the training paid off. They would also need to calculate if the difference in sales surpasses the costs of training.