What influences the elasticity of supply of a goodtoday?

The elasticity of supply of a good today is influenced by_______.

A.

the availability of substitutes for the good

B.

the possibility to store some oftoday's production for later sale

C.

the proportion of income spent on the good and the option to store some oftoday's production

D.

the possibility of changing the design of the good as the good becomes more popular