If 'SUN' is coded as '191421', what is the code for 'MOON' if 'M' is 13, 'O' is 15, 'O' is 15, and 'N' is 14?

Answer: A. 13151514
The code for 'MOON' is formed by concatenating the numerical values of each letter: 13 (M), 15 (O), 15 (O), 14 (N) resulting in '13151514'.