$1)$Suppose an investor observes the following spot quotes from the bank $($assume the bid$-$ask spread is zero here$)$:Yen$/$$ $=115\mathrm{.}86/$$Thai Baht$/$$ $=$ TB $42\mathrm{.}67/$$ Yen$/$Bhat $=$ Yen $2\mathrm{.}68/$Baht