https://ocw.mit.edu/courses/14-01sc-principles-of-microeconomics-fall-2011/resources/mit14_01scf11_soln06/
MIT14_01SCF11_soln06.pdf | Principles of Microeconomics | Economics | MIT OpenCourseWare
This resource contains solutions to the problem statements related to marginal cost curves, and equilibrium.
principles of microeconomicspdfmitopencourseware