This implies that value added tax petroleum profit, tax and company tax has jointly accounted for 91.5% contribution of. Nigeria 's total revenue. Again the significant of the R2 was tested with the ANOVA where by F. Value of 21.561 which was. Statistically significant at 0.001 confirms the strength of the contributions of value, added tax petroleum profit tax and. Company tax account for a high explanation of the Nigeria ', s total revenue thus affirming the model as a viable tool for. Measuring the country 's total revenue.
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