PLEASE HELP.

Marigold Corp. is considering the replacement of a piece of equipment with a newer model. The following data has been collected: If the old equipment is replaced now, it can be sold for $71500. Both the old equipment's remaining useful life and the new equipment's useful life is 5 years: The increase (decrease) in net income over the 5 -year period that results from replacing the old equipment with the new equipment is $104800 5(84000) $(30500) $71500 Wildhorse Company expects to produce 122,000 products in the coming year and has invested $24,400,000 in production equipment. Wildhorse requires a return on irvestment of 10%. What is Wildhorse's ROI per unit? Wildhorse's ROI