a$.$ Keith Jefferson opened a law firm by investing $$21,000$ cash and office furniture with a fair value of $$8,800.$ Organized as a professional corporation, the business issued common stock to Jefferson.

b$.$ Paid monthly rent of $$1,600.$

c$.$ Purchased office supplies on account, $$600.$

d$.$ Paid employees' salaries of $$2,500.$

e$.$ Paid $$200$ of the accounts payable created in transaction c$.$

f$.$ Performed legal service on account, $$10,200.$

g$.$ Declared and paid dividends of $$2,100.$