Final answer:
Jake spent $4,560 on legitimate business advertisements during the year. There were no additional costs or complexities mentioned in the question.
Step-by-step explanation:
Jake, a perfume salesperson, spent a total amount of $4,560 on legitimate business advertisements during the year. Jake's job required him to frequently advertise, and despite his high salary and lack of reimbursement from his employer for these expenses, he invested in advertising to support his sales. The question does not present any complexities or hidden fees, and therefore, the total amount spent is simply the sum mentioned, which is $4,560.