im not sure how to do this problem. ive been stuck on it for about 25 minutes.

Brady Construction Company contracted to build an apartment complex for a price of $5,100,000. Construction began in 2021 and was completed in 2023. The following is a series of independent situations, numbered 1 through 6, involving differing costs for the project. All costs are stated in thousands of dollars. Estimated Costs to Complete Costs Incurred During (As of the End of the Year Year) Situation 2021 2022 2023 2021 2022 2023 1 1,510 2,160 930 3,090 930 1,510 930 2,440 3,090 2.440 1,510 2,160 1,680 3,090 1,580 510 3,010 1,020 3,570 880 510 3,010 1,370 3,570 1,580 510 3,010 1,900 4,700 1,790 ' O'U'IIBUN Required: Complete the following table. (Do not round intermediate calculations. Enter answers in dollars. Round your final answers to the nearest whole dollar. Negative amounts should be indicated by a minus sign.)