During a​ one-month promotional​ campaign, Fran's Flix gave either a free DVD rental or a​ 12-serving box of microwave popcorn to new members. It cost the store ​$1 for each free rental and ​$2 for each box of popcorn. In​ all, 39 new members were signed up and the​ store's cost for the incentives was ​$67. 00 How many of each incentive were given​ away? There were nothing free rentals given away to new members. There were nothing boxes of popcorn given away to new members.