YEAR PRODUCT 2000 2001 2002 2003 2004 price: $2.00 $3.00 $4.00 $5.00 $6.00 Product X quantity: 1,000 1,000 1,000 1,000 1,000 price: $1.00 $1.00 $1.00 $1.00 $1.00 Product Y quantity: 1,000 1,250 1,500 1,750 2,000 price: $4.50 $4.75 |$5.00 $5.50 $6.00 Product Z quantity: 1,000 1,000 1,000 1,000 1,000