A company's cash balance is expected for the year according to 360 days. Revenues and expenses are balanced, and the person has no profit, except for the payment of state taxes.

(1) Optimal cash holdings = [(2 x 250,000 x 500)/10%]? = 50,000 ($du)

(2) Total optimal cash management costs = (2 x 250,000 x 500 x 10%)? = 5000(yuan)

Conversion cost = 250000/50000 × 500 = 2500(yuan)

Opportunity cost of holding = 50000/2 × 10% = 2500(yuan)

(3) Number of times marketable securities are traded = 250,000/50000 = 5(times)

Interval between marketable securities transactions = 360/5=72(days)

Expanded:

The balance of capital income and expenditure depends in the final analysis on the balance of purchase, production and marketing activities. Only adhere to the unity of production and circulation, so that the enterprise's purchase, production and marketing of the three links with each other, to maintain a balance, the turnover of enterprise funds can be normal, and to achieve due economic benefits. Balance of funds can not be realized by using a negative approach, but to adopt a positive approach to resolve the contradictions that exist in the income and expenditure.

In the organization of the balance of funds on the issue, both the amount of people out, according to the existing financial resources to arrange for the expenditure, but also out for people, for the key production and operation of the expenditure to open up financial resources to be actively supported, so that we can achieve the desired economic benefits.

Baidu Encyclopedia - Positive Balance of Revenues and Expenditures