Greatest value in a array Learn programming C#

using System;
public class exercise118
{
    static void Main(string[] args)
    {
        float[] data = { 1.5f, 0.7f, 8.0f };
        float max = Maximum(data);
        Console.WriteLine(max);
    }

    static float Maximum(float[] list)
    {
        float max = -99999999.00f;
        for (int i = 0; i < list.Length; i++)
        {
            if (i == 0)
            {
                max = list[i];
            }
            else
            {
                max = max < list[i] ? list[i] : max;
            }
        }
        return max;
    }
}