Candice bought 3 shirts. each shirt cost the same and was discounted by 3.66.candice paid a total of 62.31 before tax. how much did each shirt cost before discount

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?