Can somebody help me with the following questions?

1) At September 1, 2017, Marigold Corp. reported Retained Earnings of $329940. During the month, Marigold generated revenues of $46800, incurred expenses of $28080, purchased equipment for $11700 and paid dividends of $4680. What is the balance in Retained Earnings at September 30, 2017?

a) $329940 debit

b) $343980 credit

c) $332280 credit

d) $18720 credit

2) Collection of a $540 Accounts Receivable

a) increases an asset $540; decreases an asset $540.

b) decreases a liability $540; increases stockholders equity $540.

c) decreases an asset $540; decreases a liability $540.

d) increases an asset $540; decreases a liability $540.