9) What is the STP salesvolume variance {contribution margin) for Strong tea? 9) A) $900 unfavourable B) $900 favourable C) $300 unfavourable D) $600 favourable E) $600 unfavourable 10) What is the STP total staticbudget variance for revenues? 10) A) $250 unfavourable B) $800 unfavourable C) $50 favourable D) $250 favourable E) $50 unfavourable 11) 1What is the STP total exiblebudget variance for revenues? 11) A) $50 favourable B) $250 unfavourable C) $800 favourable D) $900 favourable E) $50 unfavourable 12) What is the STP total salesvolume variance (contribution margin) for May? 12) A) $750 unfavourable B) $150 favourable C) $150 unfavourable D) $300 unfavourable E) $300 favourable