1.Cycling becomes very fashionable with millennials and every millennial wants a bike to be part of the new trend. Simultaneously, the price of the parts needed to make bikes falls.The demand curve for bikes would _________ and the supply curve would__________

a.

Shift to the right, shift to the left

b.

shift to the left, shift to the right

c.

shift to the left, shift to the left

d.

shift to the right, shift to the right