<prompt>  A 60-year-old woman presents with generalized edema, skin ulceration and hypertension. Urine examination shows subnephrotic proteinuria 2gm and microscopic haematuria. Serum complement levels are decreased and she is positive for anti-hepatitis c antibodies. The likely diagnosis is -PSGNEssential mixed cryoglobulinemiaMembrano proliferative glomerulonephritisFocal segmental glomerulosclerosis 