You are an American investor (or a manager of an American asset management company) who invested in the British FTSE 100 stock index a year ago. The FTSE index has risen by 20%. In the meantime, the dollar has depreciated by 20% against (in terms of) the British pound sterling. What is your rate of return (in terms of your home currency, $) on this investment? 40% 50% 20% 0%