Consider the overall effects on National Cleaning Service from selling and performing services on account for $ 7 comma 770 and paying expenses totaling $ 3 comma 040. What is National Cleaning​ Service's net income or net​ loss? A. Net income of $ 10 comma 810 B. Net loss of $ 4 comma 730 C. Net income of $ 4 comma 730 D. Net income of $ 7 comma 770