Question

i am valuing a firm in india..and taken updated earnings by taking 9 months of this fiscal and last qtr of last year. now what should i do when i have to adjust for op.lease cos this yr's op.lease exense is 3/4th in p&l and last year's proportion would be 1/4th..how should i adjust for op.lease??
2.should i consider the changes in wc from the same point last year from where i hv taken the updated earnings?? kindly suggest