row 1 chip 1 is $8 shipped, chip 2 is $6 shipped, chip 3 is $5 shipped
row 2 chip 1 is $5 shipped, chip 2 is $4 shipped, chip 3 is $8 shipped
row 3 chip 1 is $8 shipped,chip 2 is $10 shipped, chip 3 is $7 shipped
row 4 chip 1 is $5 shipped, chip 2 is $4 shipped, chip 3 is $3 shipped