By how much does the fluid level rise in the side of the manometer that is open to the atmosphere? By how much does the fluid level rise in the side of the manometer that is open to the atmosphere if the manometer used mercury instead?

! Required information A manometer using oil (density 0.900 g/cm) as a fluid is connected to an air tank. Suddenly the pressure in the tank increases by 7.05 mmHg. Density of mercury is 13.6 g/cm.