21. Net investment income, largely dividends and interest from bonds, was unchanged at $ 9 . 2 billion.22. Ambac Inc . said its third-quarter earnings rose 21 percent on increased premiums and higher net investment income. 23. In addition, investment interest expense is deductible for AMT only to the extent of adjusted net investment income. 24. Ambac Inc . said its third-quarter earnings rose 16 percent on increased premiums and higher net investment income. 25. Investment, in the classical model, refers to Net investment , which is the net addition to the capital stock. 26. Total assets have increased by $ 1 . 7 billion since then, thanks only to net investment gains. 27. Net investment income would have been about $ 1.63 billion, along with fee income of $ 538 million.28. _Cut excise taxes for certain charitable foundations to 1 percent of net investment income : $ 2.2 billion. 29. Net investment income rose to 111.8 million francs because the company realized some of its investments during 1995.30. Peugeot reduced its net investments last year to 9 . 9 billion francs from 10 . 0 billion.