Answer:
my_fee = ebay_fee(15.23)
Step-by-step explanation:
Functions are sections of a program that provide a particular outlined procedure, we call a function by writing its name followed by a pair of parenthesis, the function may be designed in a way that it accepts arguments while been called, Like the case of the ebay_fee(15.23). the number within the pair of parenthesis id the argument, and it is the data that the functions will process and return a value afterwards.