Answer:
Yes
Explanation:
Yes, as long as Joe is able to recover the money that he has spent on advertising and still increase his profit, then he should advertise. In this scenario, he wants to spend a fixed $1000 monthly on ads. If these ads generate an increase monthly sales of $3,000 as expected, then this means that Joe's restaurant will increase their total profits by $2,000 after recovering what they spent on the ads. This is what ads are for.
