One member of the maintenance crew who earns a salary of $22,000 per year tells you that he spends 70% of his time in the plant, 20% in the administrative offices, and his remaining 10% he can't specify. Another member of the crew who earns a salary of $19,000 per year tells you that she spends 20% of her time in the plant, 60% in the administrative offices and her remaining 20% can't be specified. How much of these workers' salary expense will be charged to the plant cost pool? O $6,000 O $17,000 O $19,200 O $15,800