The marketing manager of a national brand of flavored milk is considering her micro and macro environment in order to complete the situation analysis for this years marketing plan. She notes some key points. Small traders are not consistently affording appropriate fridge space to flavored milks. Energy drinks are continuing to hold favour in the teen market. Young adults aged 18-25 are more conservative than their slightly older cohort 25-35. UHT or long life milk has processed to the point where taste tests show little noticeable difference. Having long life milk means the product can stay longer in the fridge before having it replaced. The main benefit of this is to the firm which can reduce production and distribution costs. This benefit has been derived through which macro environmental factor?