An open $($to atmosphere$),$ rigid$-$walled cylindrical tank contains $20L$ of water at $40C.$ Over a $2-$hour period of time the water temperature

varies from $40C$ to $80C.$ Ignoring water lost to evaporation, the volume in the tank will change as stated below:

Select one:

a$.$ Increase by approximately $430mL$;

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b$.$ Increase by approximately $\frac{1}{10}$ of a US gallon;

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c$.$ Increase by approximately $2\mathrm{.}1\%$;

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d$.$ All of the above;

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e$.$ None of the above.