Measuring the value of inventory and cashable assets is one of the issues, which influences on total revenue as well as the amount of tax paid to government. This paper presents an empirical investigation to study the relationship between lower of cost or market (LCM) and tax on 708 selected firms listed on Tehran Stock Exchange over the period 2008-2011. The study uses some statistical tests and determines that the tax can be affected by different methods used to calculate the inventory. In other words, The study applies regression analysis as well as Pearson correlation test and confirms that LCM method influences positively on Tax. This helps revenue agencies pay special attention to various methods used in official financial reports.

This research aims to investigate the extent of social and environmental disclosure (SED) in corporate annual reports. Specifically, This is an exploratory study designed to examine the relationship between corporate social and environmental disclosure (CSED) and corporate attributes and firm-specific factors in a developing country, Iran. In order to do this, we use content analysis approach with sentence count for the level of disclosure measurement by looking into the annual reports of the 66 listed companies in Tehran Stock Exchange. The Panel analysis and econometric software EVIEWS 6 are used for analyzing data. The Results show that there is significant positive relationship between company size and level of CSED also there is significant negative relationship between environment sensitive industries and level of CSED. However, we did not find any relationship between profitability and the level of CSED.