In such a case, you can take a short-cut and multiply the yearly net cash flow (Lm4,000) by the Annuity Factor (rather than by the yearly discounting factor) which you will also find in the tables.
Katika kesi hiyo, unaweza kuchukua mkato na kuzidisha kila mwaka wavu mtiririko wa fedha (Lm4,000) na Malipomwaka Factor (badala ya kwa sababu kila mwaka discounting) ambayo wewe pia kupata katika meza.