3. CLM Carpet Installation Corporation measures its activity in terms of square feet of carpet installed. Last month, the budgeted level of activity was 1,180 square feet and the actual level of activity was 1,270 square feet. The company's owner budgets for supply costs, a variable cost, at $3.50 per square foot. The actual supply cost last month was $4,980. In the company's flexible budget performance report for last month, what was the spending variance for supply costs? $_____________________ Show your work below. Circle: Favorable or Unfavorable