Elston Company compiled the following financial information as of December 31, 2017:
Service revenue $840,000
Common stock 180,000
Equipment 240,000
Operating expenses 750,000
Cash 210,000
Dividends 60,000
Supplies 30,000
Accounts payable 120,000
Accounts receivable 90,000
Retained earnings, 1/1/17 450,000
Elston’s retained earnings on December 31, 2017 are
a. $450,000.
b. $540,000.
c. $480,000.
d. $ 30,000