I really need help answering these questions for economics

the question using the following data, which show all available techniques for producing 20 units of a particular commodityresource resource prices possible production techniques#1 #2 #3 #4 #5land $4 2 4 2 4 4labor 3 1 2 4 1 3capital 3 5 2 3 1 2entrepreneurial ability 2 3 1 1 4 1assuming that the firm is motivated by self-interest and that the 20 units that can be produced with each technique can be sold for $2 per unit, the firm will

You have just received notification that you have won the $2.0 million first prize in the centennial lottery. however, the prize will be awarded on your 100th birthday (assuming you're around to collect), 66 years from now. what is the present value of your windfall if the appropriate discount rate is 8 percent?

Rats that received electric shocks were unlikely to develop ulcers if the