Next row (RS): K2, k2tog, work to last 6 sts. Cast off stitches. Break yarn.
Rejoin yarn to neck edge and proceed as follows.
Dec 1 st at neck edge on next 4 rows, AND AT THE SAME TIME continue to dec at armhole edge on every RS row as set until 2 sts remain, ending on a WS row.
Next row (RS): K2tog and fasten off.