I just want the final answer, no need to explain because it is a multi-choice

1) Data LLC purchased 1,000 units @ 4 each in 2017: 1,000 units @ 7 each in 2018: and 1,000 units @ 9 each in 2019. It sold 100 units each from out of the purchases of all three years during 2019 @ OMR 10 each. What is the total profit earned?

2) The closing stock of a business showed OMR 40,000 value at year-end which included purchases of OMR 5,000 made on the last day. The opening price index for the year was 60, closing index 80 and average index 70. The value of purchases made on the last day as per CPP would be

3) A business purchased a machine for OMR 280,000. Its depreciation as per CCA was OMR 34,000 using 20 % depreciation rate, and replacement value at the end of year OMR 460,000. The amount of additional depreciation would be: