When a New Discount Retailer,like Wal-Mart,opens a Store,people Save Money

Multiple Choice

When a new discount retailer,like Wal-Mart,opens a store,people save money.The CPI

A) completely ignores this
B) accounts for every implication of this
C) misses the reduction in what people pay when they shift but captures the effect from that point on.
D) does not count sales at discount stores.
E) misses the reduction in what people pay only for stores in mid-sized cities.