During the slow moving economic period, Shark Company sells only one product for $10 per unit, variable production costs are $3 per unit, and selling and administrative costs are $1.50 per unit. Fixed costs for 10,000 units are $5,000. The operating income is ________.

		$6.50 per unit
		$6.00 per unit
		$5.50 per unit
		$5.00 per unit