Analyse the sources of finance for each of the two companies in 2018 as compared to 2017.

Analyse the sources of finance for each of the two companies in 2018 as compared to 2017. Use two capital structure ratios to support your answer and provide an explanation regarding the changes in the composition of the sources of finance for each enterprise. Note: ensure that you analyse in this question, not just describe the ratio values.

- NRW Holdings Limited (ASX: NWH)

Reliance Worldwide Corporation Limited (ASX: RWC)