Identify the internal control principle that was violated in each of the following separate situations.

Situations

a$.$ As a result of significant internal control weaknesses, the company lost millions and was forced to close. Two years prior, the company stopped paying for regular audits of internal control to save for renovations of executive offices.

b$.$ An employee stole thousands of dollars worth of equipment over many years. It took years for the company to discover the fraud because accounting records for equipment were rarely updated.

c$.$ The recordkeeper left town after the owner discovered a large sum of money had disappeared. An audit found that the recordkeeper had written and signed several checks made payable to his fianc$$e and recorded the checks as salaries