Review Delta Services’ quarterly costs:

• Q1: 800 services rendered, $8,000 total costs
• Q2: 1,200 services rendered, $12,000 total costs
• Q3: 1,600 services rendered, $16,000 total costs

Requirement: Analyze the per-unit cost trend across the quarters and categorize each quarter's cost behavior. Explain the role of such an analysis in strategic decision-making