Develop a kinematic wave model using the finite difference method. If a spreadsheet is used to perform the calculations, be sure to provide a copy of the spreadsheet as well as example calculations. If Matlab is used, be sure to provide a copy of the code. Determine (and plot) the hydrograph resulting from a watershed with the following parameters and associated rainfall hyetograph: Length: = 500 feet Width: = 500 feet Slope: = 5 feet/500 feet Manning’s N = .015 Time (min) 0 5 10 15 20 25 30 Rain (in) 0 .1 .1 .2 .3 .1 .1