A company can improve its return on equity while also contributing to its repayment ability by which of the following actions?

I. Increasing its net profit margin on sales

II$.$ Increasing sales while assets remain stable

III. Increasing net worth as a percent of total assets

IV$.$ Increasing trade payables and accrued expenses as a percent of total assets

I & II

I & IV

II & III

II$,$ III & V