LIBERTYVILLE, ILL. — Marcus & Millichap has arranged the sale of Cook Apartments in Libertyville, a northern suburb of Chicago, for $11.3 million. The 86-unit apartment building is located at 201 E. Cook Ave. Built in 1972, the five-story property features a mix of studios, one- and two-bedroom units. The building was fully leased at the time of sale. Andrean Angelov and Ryan Engle of Marcus & Millichap represented the seller, a limited liability company. Scott Harris of Marcus & Millichap represented the buyer, also a limited liability company.