please explain the questions with clear forumlas and procedure?

A rm expects to achieve the following level of sales, to make the following purchases of raw materials, and to make the following payments for indirect expenses for the rst 4 months of the year. All sales and purchases of raw materials are on credit. 90% of sales are paid for in the month after the sale, with the balance paid in the following month. 60% of purchases are paid for in the month after the purchase, with the balance paid in the following month. Indirect expenses are paid for in the month they are incurred. Sales in December totalled 878 and purchases of raw materials in December totalled $57. The opening cash balance at the beginning of January was 8106. What is the budgeted closing balance of accounts receivable (rounded to the nearest dollar) at the end of April? Jan Feb Mar Apr Sales 72 7'0 72 74 Purchases of raw materials 54 54 58 56 Indirect expenses l4 l8 13 17 A rm expects to achieve the following level of sales, to make the following purchases of raw materials, and to make the following payments for indirect expenses for the rst 4 months of the year. All sales and purchases of raw materials are on credit. .70% of sales are paid for in the month after the sale, with the balance paid in the following month. 60% of purchases are paid for in the month after the purchase, with the balance paid in the following month. Indirect expenses are paid for in the month they are incurred. Sales in December totalled S78 and purchases of raw materials in December totalled $56. The opening cash balance at the beginning of January was 8109. What is the budgeted closing balance of accounts payable (rounded to the nearest dollar) at the end of April? Jan Sales ?8 Purchases of raw materials 54 Indirect expenses i9