answer both questions for a thumbs up please

Using the reciprocal services method, which of the foliowing equations represents the algebraic expression for the total costs of a Janitorial Department (J) that includes not only $350,000 of direct costs but also 30% of the Maintenance Departments (M) cost? a. 1=5350,000(0.30M) b. J=5350,000+(0.30M) E. J=(5350,0000.30)+M d. J=$350,000+(0.30+M) McEride's Dairy has 200 gallons of cream and 600 gallons of sidmmed milk and has incurred $1,000 of joint costs at the split-off point. The amount of this cost that will be allocated to cream using the physical units method is a. 5750 b. 50 c. $250 d. $1,000