pls show solution, and draw cash flow diagram, thanks!

"It is estimated that a certain piece of equipment can save $23115 per year in labor and materials costs. The equipment has an expected life of 7 years and no market value. If the company must earn a 13% annual return on such investments, how much could be justified now for the purchase of this piece of equipment? Draw a cash-flow diagram from the company s viewpoint." A 60853.85 B 102228.64 122443.38 D 166593.37 E 120809.23