row 1 chip 1 is $5 shipped,chips 2 - 3 -4 are $4 each shipped
row 2 chip 1 is $5 shipped, chip 2 is $3 shipped,chips 3 -4 are $7 each shipped
row 3 any chip in row is $7.50 each shipped
row 4 chip 1 is $3 shipped, chip 2 is $4.50 shipped,chip 3 is $7 shipped, chip 4 is $8.50 shipped