Answer:
a. Income Statement for the month of October 2022
Revenue:
Service revenue $19,540
Expenses:
Salaries and Wages $2,800
Supplies Expenses $360
Depreciation Expenses $260
Interest Expenses $350
Total Expenses $3,770
Net Income $15,770
b. Retained earnings statement for the month of October 2022
Retained Earnings, October 1, 2020 $0
Add: Net Income $15,770
Retained Earnings, October 31, 2020 $15,770