A client has a Sliding Scale for Insulin dosages sub-cut. The order is for Humulin Regular Insulin U-100 q6h as follows: 0-180 mg/dL No Coverage 181-240 mg/dL 2 units sub-cut 241-300 mg/dL 4 units sub-cut 301-490 mg/dL 6 units sub-cut Greater than 400 mg/dL administer 8 units sub-cut and repeat finger stick in 2 hr, call MD/Provider At 3:30 PM. the client's finger stick is 164 mg/dL How much coverage should the patient receive?