Amendment #4 Page 431 of 868 Titbit .4 Conlon, Cash and cash equivalents Cash and cash equivalents include all cash balances and the bank deposits with or iral maturity penccls of three months or less Restrlded cash Restricted cash ccessts of cash on balance in barks and financial insttutions that are restricted from use ni operations pursuant to requirement of certain debt agreemerts These funds are used to pay for current operating expenses and current debt service requirements in accordance with the restrctons n the debt agreements Accounts receivable frocoutts receivable are reporteden the cantered balance sheets at the invoiced amounts adiusted for any write-COS and an allowance to doubtful accounts We establish an allowance for doubtful account to aceust our receryabIes to amounts considered to be ulbrnately odlectele Our aloft:arca is based on a variety of factors indulng the length or time receivables are past die, signitcart one-time events the financial health of oil customers and histoncal experience There was no allowance for doubtful accosts as d Mach 31. 2015 Untelcd receivables included in account receivables were INR 31.540.486 and Ilsfi 36.860 640 as of March 31, 2015 and December 31, 2014 respectively. Property end equipment Property and equipment consists d wind energy system arc construction in progress and is slated al cost Expenditures Ice mayor addlions and improvements are captakzed and minx replacements maiderence and repairs are charged to expense as rcurred When property and equornert a rested, or otherwise deposed of, the cost and accurmiated depreciation is removed from the accounts and any resueiro gam or loss is included in the result or operators for the respedwe penod Deprecation of property and equipment is recogneed tang the straght4ine method over the enameled used ISMS d the wind energy systems, which is the lesser of twenty fine years or the term or the underlying non-renewable real property ease to whch the a