Apartment investment deals cooled off in the second quarter of 2012 after having warmed up at the end of 2011. The only sale was a June deal for the 300-unit Country Meadows in Ypsilanti. Erie Investments No. 11 LLC sold it to Coseo Properties for $5.92 million or $19,733 per unit. The rolling 12 month cap rate was 6.9% as of the end of the quarter. It was based on a total of eight deals.