A nurse is prepаring tо аdminister digоxin 20 mcg/kg/dаy PO tо divide equally every 12 hours to a client who weighs 70 lb. Available is digoxin elixir 0.1 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)