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This question is worth up to $4$ points $($one point for each question below$).$

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Given the following location diagram $($with Locations A$,$ B$,$ and C$)$ and the additional details below, answer the following questions.

Details:

Each person makes $$15/$hour

Every transaction takes an hour

The distance between the locations is $12$ feet

Number of interactions:

Chris and Riley $3$

Chris and Dakota $6$

Riley and Dakota $5$

Questions $($Round your answers to two decimal places, e$.$g$.,$ $$10,423\mathrm{.}53.)$:

The total cost for having Chris in the middle is $

Question Blank $1$ of $5$

type your answer...

$.$

The total cost for having Riley in the middle is $

Question Blank $2$ of $5$

type your answer...

$.$

The total cost for having Dakota in the middle is $

Question Blank $3$ of $5$

type your answer...

$.$

The best $($i$.$e$.,$ least expensive$)$ option is having

Question Blank $4$ of $5$

type your answer...

in the middle, and this option is cheaper than the next best option by $

Question Blank $5$ of $5$

type your answer...

$.$