4. Twinco received a $10,000 check from one of its clients on the fifth day of the month, deposited it in its bank account, and recorded it on its accounting records. It will take two days for Twincos bank to process the check and send it to the customers bank, and another two days for the customers bank to process and release the funds. This would describe:

A. Aggressive working capital policy

B. Lockbox collection process

C. Remote disbursement

D. Collection float