Morganton Company makes one product and it provided the following information to help prepare the master budget:

1. The budgeted selling price per unit is $70. Budgeted unit sales for June, July, August, and September are 8,200, 13,000, 15,000, and 16,000 units, respectively. All sales are on credit.
2. Thirty percent of credit sales are collected in the month of the sale and 70% in the following month.
3. The ending finished goods inventory equals 20% of the following months unit sales.
4. The ending raw materials inventory equals 10% of the following months raw materials production needs. Each unit of finished goods requires 5 pounds of raw materials. The raw materials cost $2.50 per pound.
5. Thirty percent of raw materials purchases are paid for in the month of purchase and 70% in the following month.
6. The direct labor wage rate is $14 per hour. Each unit of finished goods requires two direct labor-hours.
7. The variable selling and administrative expense per unit sold is $1.40. The fixed selling and administrative expense per month is $63,000.

12.) If we assume that there is no fixed manufacturing overhead and the variable manufacturing overhead is $9 per direct labor-hour, what is the estimated finished goods inventory balance at the end of July?

13.) If we assume that there is no fixed manufacturing overhead and the variable manufacturing overhead is $9 per direct labor-hour, what is the estimated cost of goods sold and gross margin for July?

15.) If we assume that there is no fixed manufacturing overhead and the variable manufacturing overhead is $9 per direct labor-hour, what is the estimated net operating income for July?