Abdul acquires all of his machinery on credit. He gave the following details: On 30 April 2020: machinery at cost $30000; amounts owed to suppliers of machinery $19000. On 30 April 2021: machinery at cost $42000; amounts owed to suppliers of machinery $?. Over the year Abdul paid $25000 to the suppliers of his machinery. How much was still owed to them on 30 April 2021?
- A$6000
- B$13000
- C$17000
- D$32000