fprintf(fp, "Presentación=\"%s\" ", dict_get_al_azar(presentacion));
fprintf(fp, "Existencia=\"%d\" ", al_azar(1, 1000));
pvu = (al_azar(1, 1000) / (float)al_azar(1, 765)) * al_azar(1, 10);
fprintf(fp, "Presentación=\"%s\" ", dict_get_al_azar(presentacion));
fprintf(fp, "Existencia=\"%d\" ", al_azar(1, 1000));
pvu = (al_azar(1, 1000) / (float)al_azar(1, 765)) * al_azar(1, 10);