Current Attempt in Progress

Shannon is a manager for Monty Corp., a factory that manufactures cotton scarves in a variety of colors and patterns. Her division is in charge of dying the fabric, and she would like to explore the possibility of replacing one of their machines. The current machine is attributed with $$4,300$ of sales; has $$1,500$ of operating expenses, and has a repair cost of $$4,730.$ A new machine is estimated to generate $$5,670$ of sales, to have $$2,520$ of operating expenses, and has a cost of $$4,880.$ What is the Return on Investment in each scenario? $($Round answers to $2$ decimal places, e$.$g$.15\mathrm{.}25\%.)$

Retain and Repair Current Machine $\%$

Purchase New Machine $\%$