Plum Corporation was formed four years ago. Its current E&P (or E&P deficit) and distributions for the four years are as follows: Year 2018 2019 2020 2021 Current E&P (Deficit)| Distributions ($18,000) $ 2,000 8,000 4,000 (6,000) -O- 25,000 3,000 What is Plum's accumulated E&P at the beginning of 2018, 2019, 2020, and 2021