Leo wants the sales numbers for rye bread,onion rolls,and bagels to look different each time the sales for each exceeds $500.What Excel feature can Leo use to accomplish this?

A) Spell checker
B) Conditional formatting
C) Point mode
D) Formulas version

The function ____ appends str2 to the end of str1.

A) strcpy(str1, str2)
B) strcmp(str1, str2)
C) strncpy(str1, str2,n)
D) strcat(str1, str2)