PARTICIPATION ACTIVITY

$6\mathrm{.}7\mathrm{.}1$: Analyzing the eBay fee function.

$1)$

For any call to calc$\_$ebay$\_$fee$(),$ how many assignment statements will execute?

$5$

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$5$

The first four assignment statements always execute, and then exactly one branch will be taken, so one more fee $=$ fee $+...$ statement will execute.

$2)$

What does calc$\_$ebay$\_$fee$()$ return if the sell$\_$price argument is $0\mathrm{.}0($show your answer in the form #$.$#$)?$

$0\mathrm{.}5$

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$0\mathrm{.}5$

fee is first assigned with $0\mathrm{.}5.$ Next, the first branch executes $($i$.$e$.$ sell$\_$price $<=50\mathrm{.}00),$ which adds $(0*0\mathrm{.}13=0)$ to fee.

$3)$

What does calc$\_$ebay$\_$fee$()$ return if the sell$\_$price argument is $100\mathrm{.}0($show your answer in the form #$.$#$)?$