Joe, the IT Manager of a small government department formed another company to sell computer software and supplies. All purchases made on behalf of the government department were made from his company. Joe was charged with fraud for overcharging the government department, but was not convicted. The control issue in this case arose because Joe had both ________ and ________ duties.

	a.	custody; authorisation
	b.	recording; authorisation
	c.	custody; recording
	d.	recording; authentication