Good X is produced in a competitive market using input A$.$ Explain what would happen to the supply of good X in each of the following situations:

a$.$ The price of input A$$increases$.$

multiple choice $1$

It will decrease.

It will not change.

It will increase.

b$.$ An excise tax of $$3$ is imposed on good X$.$

multiple choice $2$

It will not change.

It will decrease.

It will increase.

c$.$ An ad valorem tax of $7$ percent is imposed on good X$.$

multiple choice $3$

It will not change.

It will decrease.

It will increase.

d$.$ A technological change reduces the cost of producing additional units of good X$.$

multiple choice $4$

It will decrease.

It will increase.

It will not change.