Answer the questions in Exercise 51 for the demand function

when 12,000 (q₀ = 12) units are demanded.

Data from Exercises 51

A manufacturer has determined that when q thousand units of a particular commodity are produced, the price at which all the units can be sold is p = D(q) dollars per unit, where D is the demand function

a. At what price are 5,000 (q₀ = 5) units demanded?

b. Find the consumers’ surplus when 5,000 units are demanded.

D(q) = In 52 q+1)