The numbers in each choice are the percentages of total receivables as follows: Receivables < 30 days old, 31-60 days old, and > 60 days old, respectively. Which of the following results represents the best cash flow?

Of the following treatments to refresh the skin and make it look younger, this treatment is the least aggressive and invasive

a. Deep chemical peel b. Light chemical peel c. Botox d. Microdermabrasion

Which of the following can be inhibited or destroyed by antibiotics?

a. Fungi b. Bacteria c. Viruses d. All of the above