justin is comparing two investments, a and b. a pays its return in interest, whereas b is a growth investment whose return is in the form of price appreciation. assume justin sells investment b after one year. what is the difference between investments a and b on an after-tax return basis after one year if justin is in the 33% tax bracket and both investments are expected to earn 10% on an initial investment of $50,000? a) investment b is better by $900. b) investment a is better by $900. c) there is no difference between the two. d) investment b is better by $1,200.