Dana is in charge of planning for her sorority's social events. she is currently determining the best way to supply the posters needed for upcoming social events. in the upcoming winter semester, she expects to need 400 posters. following that, in the spring, she will need 600 posters. finally, the summer semester will require 250 posters. if she makes a poster ahead of time, she can store it in a locker for $1.50 per poster per semester. she has also decided that the event must have the planned number of posters; back-orders are not allowed. to meet these demands, utilize the transportation model and the following information: • make the posters 'in-house' by using members of the social committee during their regular meeting hours. based on time and effort, each poster would cost about $12.50, and her team could make 150 posters per semester • ask the social committee to stay late to work on posters. this would cost about $17 per poster, based on the materials, time and a 'bribe' of pizza and drinks. this could generate up to 250 posters per semester. • ask another club to out. she would have to pay this club $20 per poster, and they could create up to 500 per semester iselect] what are the lowest possible costs for dana? how many posters are made by: iselect) the social committee during regular meetings? iselect) the social committee when staying late? 1select) the other clubs? before she finishes creating her plan, dana finds out that she has 50 posters already completed and ready to use. what is the impact on her total costs?