A company's transactions for the year ended 31 December 2019, included the following:

1. Sale of building for RO 500000.

2. Purchased investment securities worth RO 600000

3. Paid dividends of RO 300000

4. Issued 500 shares of common stock for RO 350000

5. Purchased machinery for RO 175000

6. Accounts Receivable outstanding of RO 100000 were collected.

7. Account payable were increased by RO 190000

Which of the following is the company's net cash used in its investing activities?

Select one:

a. 675000

b. 90,000

c. 200,000

d. 275,000