please show the steps. thank you in advance

1. What is the present value of 10 payments of $500 each received every 24 months at a discount rate of 12%? A. $1,840.93 B. $1,332.60 C. $2,825.11. D. $1,761.66 2. You are to receive $75 per year indefinitely. The market rate of interest for these types of payments is 8%. The price you would pay for this stream is: A. $9.38 B. $81.00 C. $93.75 D. $937.50 3. A court settlement awarded an accident victim four payments of $50,000 to be paid at the end of each of the next four years. Using a discount rate of 4%, calculate the present value of the annuity. A. $173,255 B. $178,495 C. $181,495 D. $184,095 E. $200,000