can someone please help me with these questions thank you

Question 12 Informal capital: O is funds provided by wealthy private individuals to high-risk start-ups O is a pure gift O a and b O is done on a handshake Question 13 1 pts Limited liability refers to: O a federally incorporated company O the restriction of an owner's legal financial responsibilities to the amount invested in the business O sole proprietorships O the bank's responsibility to the customer Question 16 1 pt A margin formula that banks generally apply to loans, on the basis of a line of credit, is: 30 percent of the value of accounts receivable plus 15 percent of inventory 50 to 80 percent of the value of accounts receivable plus 50 percent of the value of inventory 20 percent of the value of accountants receivable plus 20 percent of inventory O 10 percent of the value of accounts receivable plus 60 percent of inventory Question 17 1 pts The assets most commonly used for security by asset-based lending companies are: accounts receivable and inventory O equipment and buildings O land and buildings O inventory and equipment Question 18 A chattel mortgage applies only to: O buildings under $100,000 in value O properties and buildings over $100,000 in value O buildings exceeding $1 million in value O equipment or other moveable property