Storm Ltd evaluating project X which requires an initial investment of $$50000.$ Expected net cash flows are $$20000$ per annum for $4$ years at todays prices. However these are expected to rise by $5\mathrm{.}5\%$ per annum become of inflation $.$ the firm's cost of capital is $15\%.$ Calculate the NPV by

$*$ discounting money cash flows

$*$ discounting real cash flows