Final answer:
The best action for the landlord is to charge less rent to single mothers in order to fulfill the owner's goal of helping them get back on their feet.
Step-by-step explanation:
The best action for the landlord to engage in when beginning a property management relationship with the goal of helping poor single mothers get back on their feet would be to charge less rent to single mothers.
This action aligns with the owner's stated purpose and ensures that the rental rates are affordable for the target demographic. By reducing the rent for single mothers, the landlord is directly supporting their financial stability and enabling them to have a greater chance of getting back on their feet.
This approach helps fulfill the owner's intent to provide affordable housing for single mothers.