Matt Dixon | The Flint Journal..Senior Holly Cragg-Hallman (green), 17, receives a payment of change from sophomore Blake Ball, 15 at the Mt. Morris E.A. Johnson High School store for a T-shirt Friday afternoon. Cragg-Hallman and three other Mt. Morris High School students completed a 71 page project explaining the ins and outs of the school store and got them gold-level certification with DECA, a student business organization. The gold level allows them to attend the International Career Development Conference in Orlando April 29 to May 4.