The following information is available for All-4-U Company for the year ending December 31, 2019: 
A)Compute the gross profit ratio for 2019.
B)Compute the operating margin ratio for 2019.
C)Compute the net profit margin ratio for 2019.
D)Compute the accounts receivable turnover for 2019.
Definitions:
Minor Surgical Procedure
A low-risk operation, often performed in an outpatient setting, that does not require extensive incisions or anesthesia.
Sanitize
The process of cleaning something to remove bacteria or viruses, making it safe and free of contaminants.
Microscopic Blood
Blood present in such small quantities that it is not visible to the naked eye but can be detected through microscopy or chemical tests.
Chemical Spray
A dispersion of chemical substances in a fine spray form, often used for cleaning, disinfection, or pest control.
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