row 1 chip 1 is $4 shipped, chips 2-3-4 & 5 are $3.50 each shipped
row 2 any chip is $4.50 shipped take the 5 chips for $20 shipped
row 3 chips 1 -2 -4 & 5 are $7 each shipped, chip 3 is $3.50 shipped
rows 4-5 & 6 any chip is $7 shipped