The system suffers from several disadvantages:
(i) Arithmetical accuracy cannot be checked. In case of Double Entry System
Book-keeping Trial Balance is prepared to check the arithmetical accuracy of the books of accounts. This is possible because every transaction is recorded at two places. In case of Single Entry System, this is not done. Hence, Trial Balance cannot be prepared and the
-arithmetical accuracy of the books of accounts cannot be checked. This increases the possibility of more frauds and misappropriations as compared to the Double Entry System of Book-keeping.
(ii) True profits cannot be known. In the absence of complete information for sales, purchases and other expenses, it is notpossible to draw the Profit and Loss Account. Hence, the true profit or loss made or suffered by the business cannot be known.
(iii) Financial position of the business cannot be judged. In the absence of true figure of profit and correct information about the assets and liabilities of the busiiless, the Balance Sheet cannot be drawn up to give a correct picture of the financial position of the business on a particular date.
(iv) Makes planning and decision-making difficult. The system does not provide accurate figures about the performance of the business and its financial position. For example, separate figure of gross profit, net profit and sales are not available. Thus, the ratio of gross profit to sales or net profit to sales cannot be found out. Similarly in the absence of any information about the cost of goods sold, the proportion of differeut elements of cost of sales cannot be found out. In the absence of such information, it becomes difficult for the proprietor of the business to know the reasons of his improving or deteriorating profitability and financial position. Thus, he is not in a position to compare, plan and take sound decision for the prosperity of the business. Moreover, it may be difficult for him to find the real value of his business in the event of his deciding to sell the business.