Dreamland Pillow Company sells the "Old Softy" model for $25 each. One pillow requires 1.6 pounds of raw material and 1.2 hours of direct labor to produce. Raw material costs $1.7 per pound and direct production labor is paid $4 per hour. Fixed supervisory costs are $1,000 per month and Dreamland rents its factory on a five-year lease for $6,000 per month. All costs are considered costs of production. How many pillows must Dreamland produce and sell each month to earn a monthly gross profit of $2,500?