A firm has orders of 600 /bs each of goods for three customers. It is $2.00 per hundredweight (wt) to ship direct, or $1.00 cwt for shipments of greater than 1,000/bs with a $5 fee for each stop. What is the cost difference between the two options? O Combining shipments is cheaper by $7 Combining shipments is more expensive by $7 Combining shipments is cheaper by $3 O Combining shipments is more expensive by $3 Both options cost the same