Roger is considering making a $6.000 investment in a venture that its promoter promises will generate immediate tax benefits for him. Roger, who does not anticipate itemizing his deductions, is in the 30% marginal income tax bracket. If the investment is of a type that produces a tax credit of 40% of the amount of the expenditure, by how much will Roger's tax liability decline because of the investment? $0 2 $1,800 $2,200 (4 $2,400