Duty of care, and the Business judgement Rule

A letter of complaint by a customer has come to the attention of the directors of the company ( Joseph, Kenesha Deanna and Jahmaria) that the company's supermarket premises are in terrible need of renovation and proper upkeep.

1) As a directors, what must they do in order to exercise their duty of care and diligence properly?

-Explain fully the legal duty to them.

-Explain the practical steps that they must take in order to have the premises renovated.

2) If they repair the property and someone falls due to a crack left by the contractor, the company will be sued. can the company then successfully sue Joseph, Kenesha Deanna and Jahmaria as director? fully explain your answer

-Give full conclusion and analysis of the matter