{{B}} quEstions 23-30{{/B}}
· you will hEAr A rADio intErviEw BEtwEEn A womAn AnD A mAn ABout sAlEs in rECEssion. thEy hAvE DisCussED in DEtAil thE signiFiCAnCE oF sAlEs FigurEs in rECEssion.
· For EACh quEstion (23-30), mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·AFtEr you hAvE listEnED onCE, rEplAy thE rECorDing.

ACCorDing to mr. hAll, whAt is opportunity CostA、it is thE rElAtionship BEtwEEn two kinDs oF gooDs or sErviCEs thAt CustomErs mAy wAnt to Buy. B、it is pEoplE’s ChoiCE oF gooDs AnD sErviCEs At similAr priCEs. C、it is thE rElAtivE vAluE oF gooDs to BuyErs CompArED to thE vAluE oF AltErAtivE gooDs AnD sErviCEs on whiCh thEy mAy wAnt to spEnD thAt sAmE Amount oF monEy.