An 85 kg mechanic balances a 1450 kg car on the hydraulic lift shown below. When a second person joins the mechanic,  the mechanic's piston goes down, creating a 38 cm height difference between the two pistons. Determine the mass of the second person. Take incompressible fluid density as 930 kg/m³.

• A. 44 kg
• B. 138 kg
• C. 1265 kg
• D. 53 kg
• E. 65 kg

Answer: (D)