A currency speculator expects the spot rate of BP to change from USD $2\mathrm{.}00$ to USD $2\mathrm{.}20$ in one year. Assume the speculator has access to credit lines of USD $10,000,000$ in the US and BP $5,000,000$ in UK$.$ The annual borrowing and lending rates are $3\%$ in US and $2\%$ in UK$.$ If his forecast is correct, the specuilator's expected profit at the end of the year will be

BP $920,000$

BP $460,000$

USD $920,000$

USD $460,000$