i am trying to work out NPV and IRR of the following hypotheitcal situation over 10 years with a DF 12%.

- Store will closed for refurbishment start of september ready to open start of december.

- Refurb cost 710,000 depreciated over 10 years.

- Additional store counter fitting cost 30,000

will cease to sell product lines with a usual revenue of

Month	Typical sales
January	41,650
February	57,850
March	42,875
April	44,100
May	45,325
June	46,550
July	47,775
August	46,550
September	45,325
October	42,875
November	45,815
December	47,775

generating 50% profit margin. This line has inflation rate of 1.94%

-stop of product lines generates saving of 145,800 per year at 5% inflation

-Commence new product line generating revenue of 2,311 per week with 3.52% inflation. 75% profit margin

-Have retail-in-retail concession generating rent of store area of 180,000 per year at 5% inflation

-Nearby store selling same product lines causes cannibalisation of sales of 1,000 per week

- tax rate 20% paid in the year to which it relates

Year 1 is trading for 39 weeks not 52. year 2 resumes to 52 weeks