Maejung Company had a transaction that caused a $100,000 increase in both assets and stockholders equity. This transaction could have been a(n):

Select one:

a. Purchase of office equipment for $128,000, paying $28,000 cash and issuing a note payable for the balance

b. Investment of $100,000 cash in the business by the stockholders

c. Purchase of office equipment for $100,000 cash

d. Repayment of a $100,000 bank loan