Answer:
Baby Stroller:
Audience: Parents
Explanation: Parents who have small children will need to use this product to take their children out.
Designer Shoes:
Audience: Wealthy Shoe Enthusiasts
Explanation: Since spending over 1,000 dollars on a shoe is a lot, the most likely audience is wealthy people with lots of money who enjoy collecting shoes.
Value Menu:
Audience: Low-Income People
Explanation: Value menus at restaurants are used by people with little money, to hopefully save it.
Public Speaking Seminar:
Audience: People Studying for Public Speaking Careers
Explanation: Though this could have a wide audience, more specifically people who wish to have a career involving public speaking would benefit from this.
Investment Brochure:
Audience: Potential Investors
Explanation: Shows information on investments, useful for potential investors.
Retirement Residence:
Audience: Middle-Aged People
Explanation: Usually, when someone's parents are getting older, they are the ones to find a retirement home for their parents. Around the time when people are 30-50 is when their parents may retire.