er Corporation's purchasing manager obtained a special price on an aluminum alloy from a new supplier resulting in material price variance of $9.500 The alloy produced more waste than normal, as evidenced to a direct-material sity variance of $2.000u, and was also dithcult to use. This slowed worker ethiciency, generating a $2.500u taborette To heremedy the situation, the production manager used senior line employees, which gave rise to a $900u labor rate warlor overall product quality did not suffer. what variance amount is best used in judging the appropriateness of the purchase manager's decision to acquire substandard material? Variance mount in dollars Favorable or Unfavorable