Sten, who has a disability, applias to rent a single-family house.She states that she needs to install grab bars in the shower and a ramp into the house from the garage. Landlord Don would violate federal fair housing laws if he ?

allows Sheri to make the renovations but insists that she remove them when her lease is up.

makes the renovations at his own expense.

makes the renovations but requires Sheri to pay for the materials and labor.

refuses to allow Sheri to make the renovations.