Answer and Explanation:
As per situation the Journal entries with narrations is here below:-
As per requirement of a
1. Slice Co. investment Dr, $319,500  
         To Cash $319,500
(Being cash paid is recorded)
2. Slice Co. investment Dr, $27,000  
       To  Income from Slice Co. $27,000
(Being investment is recorded)
3 Cash Dr, $13,500  
        To Slice Co. investment $13,500
(Being cash is recorded)
As per requirement b
1. Sales Dr, $90,000  
     To Total Expenses $80,000
      To Dividends Declared $5,000
       To Retained Earnings $5,000
(Being sales is recorded)
2. Common stock Dr, $160,000  
Additional paid-in capital Dr, $40,000  
Retained earnings	Dr, $155,000  
Income from Slice Co. Dr, $27,000  
NCI in NI of Slice Co. Dr, $3,000  
        To Dividends declared $15,000  
             ($1,500 + $13,500)
         To Investment in Slice Co. $333,000  
              ($319,500 + $27,000 - $135,00)	
          To NCI in NA of Slice Co. $37,000
(Being acquisition is recorded)