The National Pet Association followed the supply and demand trends of the highly publicized Comfort Dog Bed. Here are the findings.

$($a$.)$ In which weeks was there a surplus? Select all that apply.

$$ Week $1$ Week $2$ Week $3$ Week $4$ Week $5$ Week $6$ Week $7$ Week $8$

Why? Because the

exceeded the

$($b$.)$ In which weeks was there a shortage? Select all that apply.

$$ Week $1$ Week $2$ Neek $3$ Week $4$ Week $5$ Week $6$ Week $7$ Week $8$

Why? Because the

exceeded the

$($c$.)$ Give an estimate of the equilibrium quantity. $($Enter the value in the blank and choose the appropriate units from the SUPPLY OR DEMAND

$($d$.)$ Give an estimate of the equilibrium price. $($Enter the value in the blank and choose the appropriate units from the SUPPLY OR DEMAND