The absolute pressure in terms of mercury head is, nearly

Question

A vacuum gauge fixed on a steam condenser reads 80 kPa vacuum. The barometer indicates 1.013 bar. The absolute pressure in terms of mercury head is, nearly                                 

(a)   160 mm of Hg      

(b)   190 mm of Hg

(c)   380 mm of Hg

(d)  760 mm of Hg