Kalpa or tax calculator is a mobile application that runs on the android operating system. Where this application has several features, namely, calculate the PPH (income) tax, calculate the PBB tax (building land), and calculate the PKB tax (motorized vehicles). The KalPa application is intended to help the general public, especially those who will become taxpayers in calculating their tax amount regardless of some of the features provided by the KalPa application.
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