please do a detailed explanation and time diagram

What sum of money due on October 1, 2028 is equivalent to $2000 due on January 1, 2005 if interest rates were 1.3%/year compounded monthly before January 1, 2010, changed to 1.3%/year compounded monthly from January 1, 2010 to January 1, 2020, and stood at 7.3%/year compounded monthly thereafter