Which of the following best describes the lateral area of a three-dimensional figure? a. the distance around its base surfaces b. the area of its base surfaces c. the sum of the areas of its exterior surfaces d. the sum of the areas of its non-base surfaces

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