Janae is really hoping that she can earn at least $2,000 in operating income to buy an ATV. How many cards will she need to sell for this to happen? (Round intermediate calculotions and final answer to O decimal ploces, eg. 5,125.) Number of cards units What if she wants $2,000 in operating income after-tax, and her tax rate is 30% ? (Round intermedlate calculations and final answer to 0 decimal places, es. 5,125 .) Number of cards units