Required information [The following information applies to the questions displayed below.) Phillips Company manufactures air-conditioning units for commercial buildings and has noticed considerable variation in shipping expenses from month to month as per the data below. Total Units Shipping Month Shipped Expense January $1,840 February $2,740 March $2,150 April $1,236 May $1,920 June $2,460 July $3,456 4 5 2. 3 8 4. What is the cost formula for shipping expenses? 27 dtv A 2 w NEBook Pro Q %23 3 $ 4 % 5 ) & 7 8 C 9 0 W E R T Y U 0 S D F G H J J K L