What will it cost to place baseboard around the region shown if the baseboard cost $0.25 per foot? No baseboard is needed for the 3-foot
doorway

So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho