Use the Following Data for Questions

Use the following data for Questions :
Table 3-1; Table 3-2; q = nCΔT; w = Force*distance; ΔE = q + w
-A CRC Handbook of Chemistry and Physics has a mass of about 2.83 kg. How much work must be done against gravity to lift the book from the floor to the shelf 2.0 m off the floor? (Note: the force due to gravity is F_g = m(9.8 m/s²) where m is the mass of the object.)

A) 20 J
B) 40 J
C) 55 J
D) 70 J
E) 85 J