This research analyzes the relationship of financial ratios and external factors that affect profitability in Muamalat, TBK Bank, This research uses a time series that uses the 2014-2022 data..The result is BOPO, FDR, BI Rate and Inflation affect ROA in simultaneously. But in Partial results only BOPO and FDR affected ROA. r-square having results 0.965103, where this proved that BOPO, FDR, BI Rate and Inflation have 96,5% contribution to ROA simultaneously.
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