MINNEAPOLIS--(BUSINESS WIRE)--Winmark Corporation (Nasdaq:WINA) announced today net income for the quarter ended March 28, 2015 of $6,054,300 (or $1.17 per share diluted) compared to net income of $4,551,900 (or $.86 per share diluted) in the first quarter of 2014. John L. Morgan, Chairman and Chief Executive Officer, commented, “Both our franchising and leasing businesses exhibited solid top-line growth in the first quarter which led to a 34% increase in operating income. We are pleased with o