Please ignore the answers ive already put, i need help solving all of them

A piece of production equipment is to be replaced immediately because it no longer meets quality requirements for the end product. The two best alternatives are a used piece of equipment (E1) and a new automated model (E2). The economic estimates for each are shown in the accompanying table. The MARR is 18% per year Alternative E1 E2 Capital investment Annual expenses Useful life (years) Market value (at the end of useful life) $15,000 $66,000 $14,000 $9,000 20 $8,500 $12,000