Examine the label and answer the following questions. PRINCIPEN 250' for ORAL SUSPENSION SQUIBB Ampicillin for Oral Suspension U.S.P. Bottle contains ampicillin trihydrate equivalent to 10 grams ampicillin in a dry, pleasantly flavored mixture. 200 ml. NDC 0003-0972-61 When prepared as directed each 5 ml. after mixing easpoonful contains ampicillin trihydrate 250 mg. per 5 ml. equivalent to 250 mg. ampicillin. when mixed as directed DIRECTIONS FOR PREPARATION Use 118 mL of water to prepare 200 ml. oral suspension: (1) Loosen powder PRINCIPEN 250' (2) Add measured water and shake vigorously. for ORAL SUSPENSION Usual dosage: Adults, and children Ampicillin for weighing over 20 kg.: 250 mg. to 500 mg q.i.d. in equally spaced doses. Children Oral Suspension U.S.P. weighing 20 kg.or less; 100 mg./kg./day q.i.d. in equally spaced doses. See insert Store at room temperature in dry form Caution: Federal law prohibits E. R. Squibb & Sons, Inc. dispensing without prescription Princeton, N.J. 08540 Made in U.S.A. M3906A What is the recommended daily dosage for a child weighing 9 lb? Write the numerical answer rounded to the nearest 100th followed by a space, them the unit