Answer: Please see below
Explanation:
Maturity dates
I year after April 1st 2018 = April 1st 2019
6 months after sept 30 2018 = March 30, 2019
90 days after september 19= December 18 2018
Maturity value of each note
note 1
Principal = 6000
Interest= 7%
period= 6months
interest earned= 6000 x 7% x 12/12 = 420
Maturirty value = principal + interest= 6000 + 420= $6,420
note 2
Principal = 12,000
Interest= 6%
period= 6months
interest earned= 12000 x 6% x 6/12 = 360
Maturirty value = principal + interest = $12,360
note 3
Principal = 18000
Interest= 8%
period= 90 days
interest earned= 18000 x 8% x 90/360 = 360
Maturirty value = principal + interest = $18,360
interest revenue accured from the three notes = $420 + $360+360
=$1140
on April 1st 2018
Account Debit Credit
Notes 1 receivable $6, 000
Cash collected $6,000
september 30, 2018
Notes 2 receivable $12,000
Cash collected $12,000
September 19, 2018
Notes 3 receivable $18,000
Cash collected $18,000
December 31st 2018
Interest receivable $1140
interest revenue $1140