Appending the letter M or m to a numeric literal causes the number to be considered a ____________.

Which of the following would be an appropriate function declaration to add two rational numbers?

a. void friend operator+( const Rational &left, const Rational &right); b. void operatator+( const Rational &left, const Rational &right); c. friend Rational operator+( const Rational &left, const Rational &right); d. Rational operator+( const Rational &left, const Rational &right);

Documents that are created at the beginning of the transaction are called __________________________.

What will be an ideal response?