please help me solve questions 4 and 5

Question 4 (3 points) Zachary earns, after taxes, $3000 per month; half in the middle of the month and the other half at the end of the month. His average monthly bills include the following: $1100 for rent paid at the end of the month $80 for groceries paid at the end of each week $130 for his cell phone bill paid at the end of week three $210 for his light bill paid at the end of week one $880 for all other bills paid at the end of week two Assume that there are four weeks in a month and calculate the present worth of Zachary's cash flow diagram for the month if the bank gives him 10% interest per month. Round your final answer to two decimal places, to the nearest penny. Your Answer: Answer Question 5 (3 points) Claudia owns a 6 year old jeep. She wants to determine the Future Worth of the maintenance and repair bills over the next 4 years she expects to drive the vehicle. She brings her vehicle in for maintenance four times per year and expects the first visit (after 3 months - 1 visit) to cost $300 with an increase of $40 with each subsequent visit. If we assume quarterly compounding, and a nominal interest rate of 12%, what is the future value of the repair costs? Round your answer to the nearest dollar. Your