I N C O M E 4500 4000 3500 3000 2500 2000 1500 1000 500 0 Wednesday Thursday Tuesday DAYS Legend: Longlong ----Dodong 1. What is the double-line graph about? 2. What does the y-axis represent? 3. In which day did Longlong and Dodong earn their highes 4. What is the difference between their incomes on the fifth 5. Who had the higher total income for the period, Longlor 5 CO_C Monday​