A steel manufacturer is considering four investment alternatives; machine A, machine B, machine X, and machine Y. Each requires an initial investment of $2,000,000. The company believes that each machine will be technologically obsolete in five years. The estimated cash each machine generates is in the following table. Which investment alternative should the company choose after analyzing the cash payback period? Year Machine A Machine B Machine X Machine Y 1 $500,000 $700,000 $600,000 $300,000 2 $300,000 $400,000 $800,000 $550,000 3 $250,000 $600,000 $900,000 $750,000 4 $350,000 $500,000 $700,000 $650,000 5 $400,000 $300,000 $100,000 $150,000 a. Machine A b. Machine B c. Machine X d. Machine Y