Mazda Motor on Monday that its annual operating profit jumped 77.4% thanks to hefty cost cuts and healthy European sales, and forecast its highest income in a decade for this business year, Reuters reported. Reporting audited results after announcing preliminary figures last month, Mazda said group operating profit for the year ended March 31 came to 50.66 billion yen ($US432.7 million) while sales grew 12.9% to 2.36 trillion yen, Reuters said.