The Mills Lunch Shop makes fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were made at the cost of $3.20 each. The 20% spoilage rate is expected. Mills Lunch Shop sells dinners at the 80% markup based on cost. They made decision to offer the $1.00-off coupon in the newspaper advertisement. What markdown percentage coupon represents?
Dylan's Bicycle Shop offers the new bicycle on sale for $259.92 after the 10% markdown. Determine cost of bicycle to Dylan if markup was 30% based on cost?