The following net cash flows $($benefits minus costs$)$ for the four projects have been

constructed. Year Zero represents the year of investment.

Table $2$: Net Cash Flows $($Million Ghana Cedi$)$

The operating costs of these projects are estimated as shown in Table II$,$ but these have

already been accounted for in the net cash flows of Table I.

Table $3$: Operating Costs $($Million Ghana Cedi$)$