Use the following information for the next $2$ questios: During World War I, the Russian ruble would be convertible to gold at $21\mathrm{.}06$ rubles per ounce. Bulgaria's currency, lev, was pegged against gold at $10\mathrm{.}76$ oz$/$lev$.$ What was the ruble$/$lev exchange rate?

Rouble per ounce of gold: $21\mathrm{.}06$ RUB

$-$ Lev per ounce of gold: $10\mathrm{.}76$ lev

$-$ Exchange rate: $21\mathrm{.}06$ RUB per ounce $/10\mathrm{.}76$ lev per ounce $=1\mathrm{.}96$ RUB$/$lev

Answer to Question $3$: $1\mathrm{.}96$ RUB$/$LEV

$**$Question $4$:$**$

If Candies Co$.$ had $8$ oz of gold and $13$ levs, how much was it in rubles?

Question $4$ options:

$-3,115\mathrm{.}58$

$-2,024\mathrm{.}08$

$-193\mathrm{.}96$

$-99\mathrm{.}08$