may you please help me solve #22&23 thank you

D Question 22 2.5 pts The marginal social benefit of the 2000 taco is $2 and the marginal social cost is $3. The marginal social benefit of the 6000 taco is $1 and the marginal social cost is $4. The allocationy efficient quantity of tacos is between 2000 and 6000 less than 2000. more than 6000. Question 23 2.5 pts Suppose that a 20% fall in the price of a good increases the quantity demanded by 10%. From this we can tell that the good is an inferior good. demand for the good is inelastic. Both answers B and D are correct. O good is a normal good. demand for the good is elastic