Ms Nihal Purchased headsets for her business on 1st October worth RO 1500. On 1st November, 2020 she purchased additional headsets of RO 2000. At the end of the accounting period, she found that there are supplies worth RO 2000. What are the supplies and Supply expense at the end of the accounting period? (31st December 2020) O a. RO 1000 and RO 150 O b. RO 2000 and RO 1500 O c. RO 1500 and RO 1000 d. RO 1500 and RO 2000