Pls ! which of the following offers the best return on investment for the marketing dollars spent? 1. a promotion that costs $200 that generates $500 worth of new business at a festival with a lot of out-of-town attendees 2. a discount offered on social media that costs $200 but becomes so popular that the business does not make a profit on it 3. a radio advertisement that costs $200 and is widely discussed by customers frequenting the business 4. a coupon that cost $200 to print that increases sales during the period it is valid by $500 and a 10 percent increase in returning customers

A coupon that costs $200 to print that increases sales during the period it is valid by $500 and a 10% increase in returning customers ( 4 )

Explanation:

promotion number 1 : generates $500 worth of new business at the festival and a lot of out-of-town attendees who might never come back to patronize the business again

promotion number 2: the business becomes so popular without any profit so this is a failed marketing investment

promotion number 3: the radio advert is been discussed by customers already frequenting the business so we cant say for sure that those customers are either new or returning customers so the effect of the advertising cant be measured properly.

while the last promotion specifies that sales increased by $500 during the campaign period and also there was a 10% increase in returning customers .