you are given a restaurant buyout proposal : the asking $1000$ juta $(1$M$)$ sales for year $1=480$J and increase by $25\%$ yearly. the COGS is $50\%$ of sales. Fixed cost is $150$J for first year and increase by $5\%/$ year for the following years. Will you invest if your cost of capital is $6\%.$ What is the NPV$,$ IRR and Payback $?$