row 1 chip 1 is $7 shipped,chip 2 is $25 shipped, chip 3 is $4 shipped
row 2 chip 1 is $8 shipped, chips 2 & 3 are $4 each shipped
row 3 chips 1 & 2 are $12 each shipped, chip 3 is $7 shipped
row 4 chip 1 is $7 shipped, chip 2 is $12 shipped, chip 3 is $7 shipped