ANALISIS KINERJA PORTOFOLIO OPTIMAL CONSUMPTION-BASED CAPITAL ASSET PRICING MODEL (CCAPM) DENGAN METODE APPRAISAL RATIO (STUDI KASUS : SAHAM JAKARTA ISLAMIC INDEX (JII) PERIODE 1 MEI 2014 – 30 APRIL 2018) - AGUNG WIBISONO, NIM. 14610006 (2018)