Inter Company began operations on December 1, 2020. Presented below is selected information related to Inter Company at December 31, 2020: Service Revenue $120,000 Cash 108,000 Advertising 8,000 Accounts Payable 20,000 Expense Notes Payable 12,000 Supplies 17,000 Salaries Expense 11,000 Rent Expense 30,000 Required: Compute the net income for the month of December. (show your computation)