Betty wants to save for her retirement. Her goal is to retire at 60 years of age and have Php 50,000 per year to live on for thirty years, with the first withdrawal on her 61st birthday and her last withdrawal on her 90th birthday. Betty is 25 years old today and wants to make a deposit to save for her retirement next year. She figures she can earn 4% on her investments. How much must Betty deposit next year to meet her retirement objective?

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