need some help with workout problem

Ms. Prince wants to create a scholarship in honor of her parents at the law school from which she received her degree. She could endow the scholarship with $587,500 cash or with $587,500 worth of marketable securities with a cost basis of $352,500. If her AGI is $3.8 million, compute the after-tax cost of the two endowment options. Use Individual Tax Rate Schedules and Tax rates for capital gains and qualified dividends. (Enter your answers in dollars not in millions of dollars.) Cash Securities After-tax cost Individual Tax Rate Schedules Married Filing Jointly and Surviving Spouse Ir taxable income is: The tax is: Not over $19.400 10% of taxable income Over $19,400 but not over $78,950 $1.940 + 12% of excess over $19,400 Over $78,950 but not over $168,400 $9.056 +22% of excess over $78,950 Over $168.48 but not over $321,450 $28,765 + 24% of excess over $165.400 Over $321,450 but not over $405,200 $65,497 +32% of excess over $321,450 Over S405,200 but not over $612,350 $93.257 +35% of excess over $405,200 Over $612,350 $164.709.50 +37% of excess over $612.350 Married Filing Separately If taxable income is: The tax is: Not over $9,700 10% of taxable income Over $9.700 but not over $39.475 $970 +12% of excess over $9.700 Over $39,475 but not over $84,200 $4,543 +22% of excess over $39,475 Over $84.200 but not over S160,725 $14,392.50 +24% of excess over $84.200 Over S160,725 but not over $204.100 $32.74550 + 32% of excess over S160,725 Over S204.100 but not over S306,175 $46,625.50 + 35% of excess over $204.100 Over $306,175 $82.354.75 +37% of excess over S306,175 Heads of Household Ir taxable income is: The tax is: Not over $13.850 10% of taxable income Over $13.550 but not over S52,350 $1.355 +12% of excess over $13.850 Over S52,550 but not over $84,200 S6,065 + 22% of excess over S52.850 Over $84.200 but not over $160,700 $12.962 +24% of excess over SS4,200 Over $160,700 but not over $204.100 S31.322 + 32% of excess over $160,700 Over S204.100 but not over $510.300 S45.210 + 35% of excess over S204,100 Over S510,300 S152.380 + 37% of excess over S510,300 Single Ir taxable income is: The tax is: Not over $9.700 10% of taxable income Over $9.700 but not over $39,475 S970 + 12% of excess over 59,700 Over S39,475 but not over $84.200 $4,543 + 22 of excess over $39,475 Over S34.200 but not over $160.725 S14,382.5 +24% of excess over $84.200 Over S160.725 but not over S204,100 $32.745.5+ 32% of excess over $160,725 Over S204.100 but not over S510.300 $46.628.5 + 35% of excess over S204.100 Over S510,300 S153.799.5 + 37% of excess over 510,300