"Lei" represent local currency, ex USD.

3. (0.5 p) The influence {91* c1 * 1000 q1 * p1 Xq1* CO * 1000 291 * p1 represents: a)influence of change in structure of sales over Cost for 1000 lei Sales b) influence of change in cost per unit over Cost for 1000 lei Sales C) influence of change in structure of selling price per unit over Cost for 1000 lei Sales d) influence of change in volume of product sold over Cost for 1000 lei Sales e) influence of change in profit at 1 leu Sales over Cost for 1000 lei Sales