Excel Problem. Prease provide a function that will work in Excel.

Problem #10: Embedded if Statements Use a set of embedded if statements to create a single formula that will calculate the Danger level of the following water samples. Samples taken before September 1, 2008 samples above 300 ppm have a "High" dangel level, samples between 200 and 300 have a "Medium" level, and samples below 200 have a "low" level. Samples taken after September 1, 2008 samples above 400 ppm have a "High" dangel level, samples between Danger Level PPM 130 250 180 305 489 328 293 395 79 390 Date 10/5/2008 7/13/2008 9/21/2008 3/6/2008 4/12/2008 12/8/2008 5/18/2008 11/24/2008 6/24/2008 4/21/2008