Help with matlab!

2 Tiered electricity cost function lbest.tierl -getBestTier (usage) Input usage Output best.tier Type Description 24x1 double Average hourly electricity demand (kWh) 1x1 double Number of best tier plan (see below Details In this problem, you will write a function to help quickly choose the best tiered pricing scheme for a given electrical usage pattern. The array usage contains one value per hour in the day that represents the average electrical demand during that hour There are three plans to choose from In each scheme the price of electricity varies by time of given usage pattern is preferable . Naturally, the cheapest plan for the Tier 1 is defined as a fliat rate plan with price $1.25 per kilowat-hour per kilowatt-hour Tiers 2 is defined by s0.50 per kilowatt-hour, 12 am t