Help me please with maths tasks

The cost function of a company that produces two consumer goods is given by: d' 6952 "' 49142 +243 pl 2160 -10q1 The demand functions for these two goods are given by: P2 '144'592 Find values for '11 and 42 that maximize prot. \"H. Given is the production function: 405.13): 1005/]? . Find the maximum production and the value of K for which this optimum is attained given the budget restriction: 12L +2K = 5400 . Optimum value of K = |:| ; Maximum production = |:| A sample of 8 students that graduated from the UvA in Business Administration 1 year ago is asked about the yearly income that they deserve right now in thousands of euros. The following data were obtained: 42 52 72 72 82 1 02 1 1 2 1 22 Find the Mode, the Median, the Sample Mean and the Sample Variance. Mode = Median = Sample Mean = Sample Variance =