how can I solve those two problems?

Question 23 4 pts What is the value on 1/1/18 of the following cash flows: Date Cash Received Amount of Cash 1/1/19 $17.000 1/1/20 $15,000 1/1/21 $18,000 Use a 6% discount rate, and round your answer to the nearest $10. $42,330 $53,000 $44,500 $47,170 Next un attempt Only submit the HUI Well you are completely sure that you have answered all of the questions as you will not be able to request a second attempt. Please select the correct answer choice. Question 21 4 pts You charged $2,000 on your credit card for a trip during Spring break. Your credit card company charges you 22% annual interest, compounded monthly. If you make the minimum payments of $50 per month, how long will it take (to the nearest month) to pay off your balance? 79 months 70 months 73 months 81 months Next Previous