Assume the same facts presented in exercise 7 with the exception that now the taxpayer expects his tax rate to increase from its current 28% level to 35% when he retires in 40 years. Again, be...

Assume the same facts presented in exercise 7 with the exception that now the taxpayer expects his tax rate to increase from its current 28% level to 35% when he retires in 40 years. Again, be explicit about any assumptions you need to make when comparing the two alternative retirement accounts.