Please submit your concern

Explanation:

Value added per employee

$=\frac{\% Value added}{\% Employment}$ ...(as the multiplying factor will be common)

Option 1, Central Govt. $=\frac{14.1}{10.5}=1.342$

Option 2, Central and State/Local Govt. $=\frac{1.8}{1.0}=1.8$

Option 3, Joint Sector $=\frac{8.1}{5.1}=1.588$

Option 4, Wholly Private $=\frac{58.7}{64.6}=0.908$

Hence, option (b).