
Answer:
to record Decker's investment:
Dr Cash 45000 Â
  Cr Decker, Capital 45000
to record Rosen's investment:
Dr Land 10,000 Â
Dr Building 75,000 Â
  Cr Rosen, Capital 85,000
to record Toso's investment:
Dr Cash 10,000 Â
Dr Accounts Receivable 27,000 Â
Dr Equipment 14,000 Â
  Cr Allowance for Doubtful Accounts 2,700
  Cr Toso, Capital 48,300
total owners' equity = $178,300