Luca is admitted to the partnership of Lockhart & Lee and makes an initial capital contribution of $$15,000.$ Two years later, when liabilities of the partnership exceed its

assets by $$20,000,$ the firm is dissolved. Lockhart had loaned the firm $$5,000$ six months before Luca was admitted; Lee had loaned the firm $$8,000$ three months after

Luca was admitted. Luca has:

a$.$ liability to Lockhart to the extent of her capital contribution and is personally liable to Lee.

b$.$ liability to Lockhart and Lee only to the extent of her capital contribution.

c$.$ no liability to Lee.

d$.$ no liability to Lockhart.