A U$.$S$.$ company borrows $15$ million CHF at an annual interest rate of $1\mathrm{.}75\%$ for $1$ year. The spot exchange rate at the time of borrowing is $0\mathrm{.}9142$ CHF$/$USD$.$ If the Swiss franc appreciates sharply to $0\mathrm{.}8693$ CHF$/$USD at the end of the $1-$year period, the company$$s all$-$in cost of debt in USD is closest to

A$.0\mathrm{.}75\%$

B$.7\mathrm{.}00\%$

C$.4\mathrm{.}00\%$

D$.2\mathrm{.}00\%$