Assume There Are Three Hardware Stores,each Willing to Sell One

Multiple Choice

Assume there are three hardware stores,each willing to sell one standard model hammer in a given time period.House Depot can offer their hammer for a minimum of $7.Lace Hardware can offer the hammer for a minimum of $10.Bob's Hardware store can offer the hammer at a minimum price of $13. Given the scenario described,if the market price of hammers decreased from $15 to $10:

A) total producer surplus falls by $5.
B) producer surplus for each producer falls by $5.
C) Bob's Hardware no longer sells hammers.
D) total producer surplus falls by $15.