please answer the 2 knowlege check questions.

nA ed ed w Mu wen L a $15.00 per 72,000 hours $14.50 per hour $36,000 F hour Knowledge Check 01 Which of the following statements is true? OA single Variance clearing account is used to accumulate the individual variances. Closing a favorable variance increases net operating income. OClosing a favorable variance decreases net operating income. Closing an unfavorable variance increases net operating income. Knowledge Check 01 Lansing Inc.'s cost of goods sold at standard was $15,000. This represents the amount of cost of goods sold before considering the transaction that closes all variance accounts for the period. The company also reported the following in the related columns of its spreadsheet Materials quantity variance Labor rate variance Fixed overhead volume variance $(100) 20 50 What is the amount of the cost of goods sold (after adjustment for the variances) that will be reported on the company's income statement? O $(15,000) O $14,970 O $15,000 O$15,030