with solutions please

Bronzong Retail Company consists of two stores, Divi-Bron and Divi-Zong. Divi-Bron had sales of P280,000 during January, a contribution margin ratio of 30%, and a segment margin of P55,000. The company as a whole had sales of P500,000, a contribution margin ratio of 38%, and segment margins for the two stores totaling P105,000. If net operating income for the company was P75,000 for the month, the traceable fixed expenses in Divi-Zong must have been P