Which of the following most likely constitutes a weakness in internal control in a computer environment?

(a) The application programmer identifies programs required by the systems design and flow charts the logic of these programs.

(b) The control clerk establishes control over data received by the computer department and reconciles control totals after processing.

(c) The systems analyst reviews output and controls the distribution of output from the computer department.

(d) The purchase ledger clerk prepares data for computer processing and enters the data into the computer.

Choose the best answer.