参考号：EM132747

问题 ：

准备月度budgtes沃克公司。的存在ing budget plans for a SEP ending inventory of 30,000 units. Company policy is to end each month with merchandise inventory equal to a given percent of budgeted sales for the subsequent month. Budgeted sales and merchandise purchases for the three months recent months are as follows:

7月 - 销售（单位）180,000，购买（单位）200,250

Aug-Sales 315,000，购买308,250

9月 - 销售270,000，购买259,500

需要采取后续措施：

在7月，8月和9月的几个月内准备商品购买预算。

Evaluate the ratio of ending inventory to the next month's sales for each budget prepared in part 1.

计算十月预算多少单位。