Final answer:
Food options that may be provided at a marketing/sales event if the budget is $15 per person are boxed sandwiches and freshly prepared sushi.
Step-by-step explanation:
At a marketing/sales event, food options that may be provided if the total value does not exceed $15 per person include boxed sandwiches and freshly prepared sushi. These options are more affordable compared to gourmet dinners or five-course meals. A gourmet dinner and a five-course meal would likely exceed the given budget.