1. Using the FASB Codification login information provided research the following. For each identify the topic subtopic and section number (as applicable) that provide guidance for each and write the appropriate citation. For example the topic subtopic and section number for the subsequent measurement of asset retirement obligations are 410 20 and 35 respectively. Therefore the citation is:FASB ASC 410 20 35: Asset Retirement and Environmental Obligations Asset Retirement Obligations Subsequent Measurement.a.Fair value measurements and disclosures overall disclosures.b.Business combinations.c.Related party disclosures.d.Internal- use software s initial measurement.e.Recognition of stock compensation.2.Martin & Mark operate the law office of M&M PC. Transactions that took place in 2012 and 2013 are below: 20122013Amounts billed to customers for law services $380000 $440000Cash collected from customers 330000 450000Cash disbursements for two years rent 60000 0 Cash disbursements for salaries paid to employees 200000 210000Cash disbursements for travel 50000 60000Cash disbursements for travel utilities 30000 50000Utility costs incurred in 2012 were $40000. There were no liabilities at the end of 2013 and there were no anticipated bad debts on receivables.Answer the following:a.Calculate the net operating cash flow for 2012 and 2013. Hint: This is cash basis accounting.b.Prepare income statement for years 2012 and 2013 using accrual basis accounting .c.Determine the receivables from customers that the company would show on its 2012 and 2013 balance sheets prepared using accrual basis accounting.