Answer: $15,750
Step-by-step explanation:
Retained earnings are profits so will be increased by sales and services provided and reduced by expenses.
They will also be reduced by dividends because that is where dividends are paid from:
Retained earnings = Opening balance + service for customers + service for customers - rent - employee salaries - dividends
= 11,500 + 7,000 + 1,700 - 1,200 - 2,000 - 1,250
= $15,750