Aggregate demand is everything produced while simple demand is one good. which statement reflects aggregate demand.
a.) total output of diamonds in the world
b.) use of consumer price index
c.) use of prevailing market price

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.