Which of the following leads to a lower rate of return on private money:?

<p style="text-align:left;"> </p> <p style="text-align:left;">- Rise in net profit and lower private funds.</p> <p style="text-align:left;">- Increase sales and lower tax</p> <p style="text-align:left;">.- Decrease the cost of sales and Rise in net profit.</p> <p style="text-align:left;">- A decline in net profit and high private funds.</p>