WFC Co.'s petty cash receipts indicate the following expenditures for the end of October:

Office supplies	$500
Miscellaneous selling expense	$350
Miscellaneous administrative expense	$160

As a result of these transactions, WFC Co.'s stockholders' equity:

a.decreases by $1,010.

b.increases by $500.

c.remains unchanged.

d.decreases by $510.