$$First$-$class postage is $$0\mathrm{.}39$ for the first ounce$($or any fraction$$ thereof$)$ and $$0\mathrm{.}22$

for each additional ounce$($or fraction$$ thereof$).$ Let$$ C$($x$)$ represent the postage for a letter weighing x oz$.$

Use this information to answer the questions.

$$b$)$ Find

ModifyingBelow lim With x right arrow $3$ Superscript plus Upper C left parenthesis x right parenthesislimx$3+$C$($x$).$

Select the correct choice below and fill in any answer boxes in your choice.

A$.$

ModifyingBelow lim With x right arrow $3$ Superscript plus Upper C left parenthesis x right parenthesislimx$3+$C$($x$)$equals$=$$enter your response here

$($Type an integer or a$$ decimal.$)$

B$.$

The limit does not exist.