Internal Control (20 marks) For each of the scenarios described below, identify 2 control procedures that could have prevented or detected the problem, and explain why each of the controls would have helped. (a) During the HR system maintenance, a computer programmer modified the payroll system to take one dollar ($1) from each employee's salary in the firm. But the amount was paid to the programmer's own bank account. By doing so, the programmer got hundreds extra every fortnight