Six out of ten teens no longer use watches to tell time $-$ they've turned to cell phones and iPods. Sales of inexpensive watches dropped $12\%$ from $2004$ to $2005,$ and sales of teen favorite, Fossil, Inc, fell $19\%.$ Sales dropped $9\%$ in $2009,$ during the Great Recession. However, sales rose by $9\%$ in both $2010$ and $2011$ and have risen from $2015$ through $2019.$ During all these ups and downs, the price of inexpensive watches has not changed substantially. What can you conclude about the shape of the supply curve? Illustrate these events using a graph.

The supply curve for inexpensive watches likely

A$.$ is undefined.

B$.$ is relatively flat.

C$.$ is downward sloping.

D$.$ is relatively inelastic.

E$.$ has a slope of about $1.$