$1.$ Venon Ltd$,$ a manufacturer, reported net income for Year $6$ of K$160000$ on sales of K$435000.$ It declared preferred dividends of K$27\mathrm{.}5.$ Preferred shareholders$$ equity totaled K$250000$ at both the beginning and end of Year $6.$ Common shareholders$$ equity totaled K$300000$ at the beginning of Year $6$ and K$370000$ at the end of Year $4.$ Venon Ltd had no non$-$controlling interest in its equity. The company$$s total assets were K$1500000$ at the beginning of Year $6$ and K$1550000$ at the end of Year $6.$ Compute the rate of ROCE for Year $6$ and disaggregate it into profit margin for ROCE, assets turnover, and capital structure leverage ratio components.