This pretty much takes UPenn / Wharton out of being a realistic option. Loans beyond the federal direct loan limit ($5.5k first year, increasing slightly later years) require cosigners like your parents, a very bad idea if they and you do not really have the money.
Besides, admission to either is not assured. (Also, the UCB business major is competitive admission in one’s second year of college.)
Here is an older (2012) thread about IB recruiting at UCB: