A university building is about to be built in Florida that is similar to another one on built in Europe in $1995$ that cost $5$ million. The client wants to know how much it would cost $($in US dollars$)$ to hire the necessary labor to build the project. The labor index for $1995$ was $734\mathrm{.}2,$ whereas the current labor index is $1129\mathrm{.}3.$ The current exchange rate is $1$ to $$1\mathrm{.}50.$ Use the formula $C_2=C_1(\frac{I_2}{I_1}).$

A$.$ $$7\mathrm{.}69$ million

B$.$ $$11\mathrm{.}5$ million

C$.$ $$6\mathrm{.}15$ million

D$.$ $$3\mathrm{.}25$ million