Find the total surface area of this triangular prism
base=5cm 9cm line in the middle 12cm
width=20cm
2 lengths on triangle 13cm and 15cm

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?