Unions tend to increase the disparity in pay between insiders and outsiders by ?

A. increasing the wage in the Unionized sector, Which may create a decrease in the supply of workers in the non-unionized sector
B. Increasing the demand for workers in the Unionized sector
C. decreasing the demand for workers in the Unionized sector
D. Increasing the wage in the Unionized sector which may create an increase in the supply of workers in the non-unionized sector

Suppose you find Rs 20. If you choose to use the Rs 20 to go to a football match your opportunity cost of going to the game is ?

A. nothing because you found the money.
B. Rs20 (because you found the money Rs 20 to buy other things) plus the value of your time spent at the game.
C. Rs 20 (because you could have used the Rs 20 to buy other things) plus the value of your time spent at the game plus the cost of the dinner you purchased at the game.
D. Rs20 (because you could have used the Rs20 to buy other ghings)
E. None of these