TROY, MICH. — CBRE has arranged the sale of Wilshire Plaza North and West in Troy, a northern suburb of Detroit, for an undisclosed price. The two office buildings, comprising 349,625 square feet, are located at 900 and 1050 Wilshire Drive. The Class A portfolio was 90 percent leased at the time of sale. Anne Galbraith Kohn of CBRE represented the seller, an international institutional owner. Group RMC purchased the portfolio, the company’s first office acquisition in Michigan.