Answer:
a. limited liability company
Explanation:
Limited liability company -
In a limited liability case , the financial liability of a person is limited to a certain amount , when investing for a company or for any partnership .
Hence , same is the case with Tim , Sal and Bob , they want to start a business of renovating the house , but they want to save a certain amount from their investment for their personal expenses .
Hence , the amount for the company is limited .
