Colin, a citizen of the USA, invested $1.5 million in Fish N Chips, a UK company, trading at a market value of 35 per share. The conversion rate for pounds to dollars was E1 to $1.70 at the time of the investment. Assume that after two years, he sells the stock for 40 per share when the conversion rate for pounds to dollars is 1 to $1.8. How much is his gain? O a. 15.00% O b. 16.67% O c. 18.50% O d. 21.00%