Question

Macro-Economics
Red and blue shorts are substitute products. Suppose people decide they no longer like red shorts but they love blue shorts which causes a change in demand for each product. As a result,

supply of red shorts will decrease and shift to the right.

supply of red shorts will decrease and shift to the left.

supply of red shorts will increase and shift to the left.

quantity supplied of red shorts will decrease.

quantity supplied of red shorts will increase.