Define two output functions for the data types: printCatNum and printEntry. Output of a catalog entry should resemble the following example:
Number: EXC-412
Description: 2400 BAUD MODEM Wholesale Price: $79.86
Retail Price: $119.99
```
void printCatNum (catNum ref)
{
cout << "Number: " << ref.category
<< '-' << ref.number << endl;
return;
}
void printCatEntry (catEntry entry)
{
printCatNum (entry.catref);
cout << "Description: " << entry.description << endl;
cout << "Wholesale Price: $" << entry.wholesale << endl;
cout << "Retail Price: $" << entry.retail << endl;
return;
}
>
```
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