What is the Merchandise Purchase Budget with the given info?

The company sells many styles of earrings, but all are sold for the same price-$10 per pair. Actual sales of earrings for the last three months and budgeted sales for the next six months follow (in pairs of earrings): January (actual) ..... February (actual)... March (actual) April (budget) May (budget) ....... 20,000 26,000 40,000 June (budget) ......... July (budget) August (budget) ........ September (budget) .... 50,000 30,000 28,000 25,000 100,000 The concentration of sales before and during May is due to Mother's Day. Sufficient inventory should be on hand at the end of each month to supply 40% of the earrings sold in the following month. Suppliers are paid $4 for a pair of earrings. One-half of a month's purchases is paid for in the month of purchase; the other half is paid for in the following month. All sales are on credit, with no discount, and payable within 15 days. The company has found, however, that only 20% of a month's sales are collected in the month of sale. An additional 70% is collected in the following month, and the remaining 10% is collected in the second month following sale. Bad debts have been negligible. Monthly operating expenses for the company are given below