Indicate which accounts in the balance sheet usually change when the following events are recorded:

a. A batch of raw material from the supplier is received

b. A contract to build a new warehouse is signed with a construction company

c. A brand-new machine is received and installed in the firm facilities

d. Two hundred pallets of bricks are sold on account to a distributor

e. Money is received from an internet customer to pay for a gadget that will be sent to the customer in two weeks.

f. Nine thousand dollars are collected form a customer at due date