Respuesta :

The commission on $950 = 13/100 x 950 = $ 123.5

The commission on $2200 = 13/100 x 2200 = $286

The commission on $3000 = 13/100 x 3000 = $390

The commission on $2600 = 13/100 x 2600 = $338

Each commission = 13/100 x the amount in question