Sec. 8. (a) Except as provided in the partnership agreement, a partner may:
(1) lend money to;
(2) borrow money from;
(3) act as guarantor or surety for;
(4) provide collateral for the obligations of; and
(5) transact other business;
with the limited partnership.
(b) Except as provided in the partnership agreement, and subject to other applicable law, a partner has the same rights and obligations with respect to the limited partnership as a person who is not a partner.