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To encourage its foreign managers to incorporate expected exchange rates into their operating decisions, Sam Distributors requires that all foreign currency budgets be set in Australian dollars (AUS) using exchange rates projected for the end of the budget year. To further motivate its local managers to react to unexpected exchange rate changes, operating results at year end are translated to Australian dollars at the actual spot rate at the end of the year. Deviations between actual and budgeted exchange rates are discarded in judging the manager's performance. At the start of the 2019 fiscal year, budgeted results for the Tongan affiliate were as follows (amounts in thousands): Sales TOP 12 000 000 AU$3 840 Expenses TOP 9 600 000 AU$3 072 Net income TOP 2 400 000 AU$768 Actual results for the 2019 year in Australian dollars were as follows: Sales AU$3 240 000 Expenses AUS2 520 000 Net income AU$720 000 Relevant exchange rates for the Tongan Pa'anga (TOP) during the year were as follows: January 1, 2019 spot rate: AUSO.35 Sam Distributors' one-year forecast AUSO.30 December 31, 2019 spot rate AUSO.25 Required: Based on the above information, how did the Tongan manager perform? Justify your answer (show all the workings). (10 marks)