Which set of laboratory values listed below most likely suggests chronic kidney failure in a 70-year-old female patient with a serum creatinine level of 5 mg/dL?
a. Serum potassium: 7 mmol/L, Uric acid: 12 mg/dL
b. Blood urea nitrogen: 150 mg/dL, Serum sodium: 150 mmol/L
c. Hemoglobin: 8.6 mg/dL, Serum phosphorus: 5.5 mg/dL
d. Urine microscopy: Hyaline casts, Urine osmolality: 620 mOsm/kg H$_2$O
e. Urine microscopy: Muddy brown granular casts, Fractional sodium excretion: %3