In reviewing the accounts on March 31 for the year just ended, DigiTech discovered the following:

DigiTech owns the building that it occupies. Part of the building is rented to E-Quip Company for $3,700 per month. E-Quip had not paid the March rent as at March 31. On April 3, DigiTech collected the rent accrued on March 31.

Services performed but unrecorded at March 31 totalled $7,500. This amount was collected on April 7.

Interest for the month of March had accrued on a note receivable in the amount of $550. The interest accrued on March 31 was collected on April 1.

On February 1, DigiTech signed a $31,800 six-month contract to perform services for a client. DigiTech has been providing the services but as of March 31 no cash had been received. On April 2, DigiTech collected the revenue accrued on March 31.

Required: Using the information provided above, prepare the annual adjusting journal entries at March 31 along with the appropriate subsequent cash entries.