On July 1, Mr. Taylor owed $6,000. On the 1st of each of the following months, he repaid$400. List the amount owed by Mr. Taylor on the 2nd of each month starting with July 2.Explain why the amount owed each month forms an arithmetic sequence.Li is developing a fitness program that includes doing push-ups each day. On each day ofthe first week he did 20 push-ups. Each subsequent week, he increased his daily push-ups by5. During which week did he do 60 push-ups a day?a. Use a formula to find the answer to the question.b. Write the arithmetic sequence to answer the question.c. Which method do you think is better? Explain you answer.