However, in a market where the equilibrium price is $5 and the price floor is set at $4, there will be no effect on supply because the price floor must be set higher than the market price in order for it to have an effect on inventories.
In 1983, the portable CD player came as a boon for those who liked to listen to their choice of music while on the go.
This disc was taken over by nearly all markets across the globe, especially the Europe and the United States consumer market. The first successful CD to be launched was Brothers in Arms in 1985.A compact disk (CD) is a popular form of digital storage media used for computer files, pictures, and music.The plastic platter is read and written to by a laser in a CD drive.he CD player was invented because people wanted to listen to music all around the world. so they could buy cds and keep the songs forever. in the 1700s cds became in stores. â¦ people from around the world bought them. and they have been sold ever sinse.