At the end of $2022$ you bought $15$ shares of a Thai stock at a price of $220$ Thai Bhat $($Bt$)$ per share. At that time the spot exchange rate was $0\mathrm{.}0285$$$/$Bt$.$ Seven months later, you sold these shares for $320\mathrm{.}5$ Bt$/$share$.$ If your US$-$$ holding period rate of return on that investment was $12\mathrm{.}5\%,$ what was the exchange rate when you sold the Thai firm$$s shares?