Homework assignment Accounting

Hi, please read before you create a handshake..Only need a portion of the assignment which is question 2 

******(How might changing one of the financial statements affect the other financial statements? ( This is my portion only, the financial statements that's being analyzed are *net income,retained earnings, operational expenses and common stock)****** 150- 200 words please

This is the response that I need before 5:00 pm today, serious only apply