Jack is admitted to the partnership of Peterson & Smith 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. Peter had loaned the firm $5,000 six months before Jack was admitted;Rick had loaned the firm $8,000 three months after Jack was admitted.Jack has:

a. no liability to Rick.

b. liability to Peter and Rick only to the extent of her capital contribution.

c. liability to Peter to the extent of her capital contribution and is personally liable to Rick.

d.no liability to Peter.