Harry recently raised his employees' wages, which has increased production costs. which factor did the salary hike affect?

a)fixed cost
b)marginal cost
c)sunk cost

Sunk cost is investment fixed costs do not change with changes in output if the hours remain the same regardless of output, then this salary increase has increased fixed costs if the hours fluctuate with output, then this increases variable cost.

Element 17 is chlorine it is a group 7 element(halogen) and belongs to period 3 of the periodic table