rows 1 & 2 are $3.50 each, add $1.50 for shipping up to 3 chips
rows 3 & 4 are $1 each, add $1.50 for shipping up to 3 chips
rows 5 & 6 are $15 shipped for the 8 chips, or $2 each plus shipping $1.50 for yo to 3 chips