Elita, Co$.$ has the possibility to invest in one social marketing project. The responsible persons are required to make calculations and determine the best project for the investment.

Project Co Cash Inflow $1$ Cash Outflow $1$ Cash Inflow $2$ Cash Outflow $2$ Cash Inflow $3$ Cash Outflow $3$ Cash Inflow $4$ Cash Outflow $4$ Cash Inflow $5$ Cash Outflow $5$

A $20004002008000200100020005002200200$

B $17502000150200100300150$

C $60\mathrm{.}00020\mathrm{.}0001\mathrm{.}30013\mathrm{.}0001\mathrm{.}40015\mathrm{.}00015007000020000500015000$

Work to be done:

a$)$ calculate NPV and IRR for the three projects $(0\mathrm{.}10)$

b$)$ calculate payback and discounted payback $(0\mathrm{.}10)$

c$)$ calculate Rate of Return and AAR $(0\mathrm{.}10)$

d$)$ calculate the Profitability Index $(0\mathrm{.}10)$

e$)$ Which project is better? $(0\mathrm{.}10)$