row 1 chip 1 is $3 shipped, chip 2 is $3 shipped, chip 3 is $8 shipped
row 2 chip 1 is $5 shipped, chip 2 is $5 shipped, chip 3 is $25 shipped
row 3 chip 1 is $4 shipped, chip 2 is $4 shipped, chip 3 is $5 shipped
row 4 chips are $8 each shipped