Imagine a firm's marginal abatement cost function with existing technologies is: MAC = 16 - 2E. If the firm adopts new pollution abatement technologies, its marginal abatement cost function will be: MAC = 8 - E.If the government raises the tax on emissions from $2 to $3, the benefits of adopting the new technologies increase by $____.

Select one:

a.$1.75

b.$4.50.

c.$1.25.

d.$2.