Answer
d
Work Step by Step
Income of Joseph Corporation =
Sales Revenue - 75,000 dollars
Expense of Joseph Corporation =
Salaries and wage expense - 20,000 dollars
Rent Expense - 10,000 dollars
Total Expense = 20,000 + 10,000 = 30,000 dollars
Net Income = Total Income - Total Expense
= 75,000 - 30,000
= 45,000 dollars