You need to estimate the value of Laputa Aviation. You have the following forecasts $($in millions of dollars$)$ of its profits and of its future investments in new plant and working capital:

Year

$1234$

Earnings before interest, taxes, depreciation, and amortization $($EBITDA$)$ $ $72$ $ $92$ $ $107$ $ $112$

Depreciation $12222732$

Pretax profit $60708080$

Tax at $30\%18212424$

Investment $20232628$

From year $5$ onward, EBITDA, depreciation, and investment are expected to remain unchanged at year$-4$ levels. Laputa is financed $40\%$ by equity and $60\%$ by debt. Its cost of equity is $19\%,$ its debt yields $10\%,$ and it pays corporate tax at $30\%.$