I answered 7.1 and 7.4 but I just wanted someone to double check and approve. 7.2 and 7.3 are what I need. Thanks

7.1 Adding warehouses to a distribution system will generally

a) Decrease annual transportation costs and increase annual inventory costs.

b) Increase annual transportation costs and decrease annual inventory costs.

c) Increase annual transportation costs and increase annual inventory costs.

d) Decrease annual transportation costs and decrease annual inventory costs.

7.2 The following plot shows 5 possible solutions for a supply chain network design. Which is likely the best solution?