U$.$S$.$ interest rate is $5\mathrm{.}50\%,$ Yen interest rate is $1\%,$ exchange rate $149$ Yen per USD; You are borrowing $10,000,000$ Yens and planning to do a carry trade investing it in US$.$

a$)$ If in $1$ year from now the exchange rate is $160$ yen per USD, which is your gain $($loss$)$ measured in USD from this operation?

b$)$ If in $1$ year from now, the exchange rate is $140$ yen per USD which is your gain $($loss$)$ measured in USD from the strategy?