Rollie has the following capital gains and losses during 2020: Short-term capital gain $4,000 Collectibles gain 4,700 Long-term capital gain 12,800 Long-term capital loss 6,000 Rollie is married and has a taxable income of $115,300 before considering the effect of his capital gains and losses. Refer to Table 11-1 and the Tax Rate Schedules to answer the following questions. What is the effect of Rollie's capital gains and losses on his taxable income and his income tax liability? Rollie has a s short-term capital gain and a SL net long-term capital gain This results in increasing his taxable income to $ Rollie's income tax liability increases by $