Ilona's Business Bank Account at 1 May 20X7 Has a Balance

Ilona's business bank account at 1 May 20X7 has a balance of £13 000 in her favour. On 2 May 20X7 she buys a non-current asset for £10 000.
On 3 May 20X7 she receives an amount owing of £3 600.
Assuming that there are no other transactions, what is the balance on Ilona's business bank account at the close of business on 3 May 20X7?

A) £19 400
B) £6 600
C) £26 600
D) Overdraft of £600