10 7 Write assignment statements that performs the following operations with the variables a, b and c: A. Store the character 'K' in a B. Store the ASCII code for 'Z' in b C. Store the constant value of 3.17 in c 15 8 T/F A. You need to write "using namespace std;" in your program to use cout and endl. B. A variable must be defined before it can be used. C. You cannot initialize a named constant that is declared with the const modifier D. Preprocessor directives execute after the compiler compiles your program. E. The following program segment does not have any syntax error. /* This is a comment. */