Zachary earns, after taxes, $3000 per month; half in the middle of the month and half at the end of the month. His average monthly bills include the following: $1000 for rent-paid at the end of each month; $100 for groceries at the end of each week; his cell phone bill is $150 at end of week 3; his light/heat bill is $250 at the end of week 1; and the rest of his monthly expenses are on a credit card which averages $900 and is paid in the middle of the month. For this question, assume each month has only 4 weeks. (4 marks) - Neatly draw a cash flow diagram that shows all of Zachary's individual costs. Convert to a net cash flow diagram