row 1 any chip is $6 each shipped
row 2 chip 1 is $7 shipped, chip 2 is $8 shipped, chip 3 is $3 shipped
row 3 chip 1 is $7 shipped, chip 2 is $9 shipped, chip 3 is $4 shipped
row 4 chip 1 is $3 shipped, chips 2 -3 are $3,50 each shipped, chip 4 is $7 shipped