please show cash flow calculations on excel calculations and draw cash in and cash out curves

ACTIVITY MONTH 3 10000 20000 90000 40000 10000 170000 220,000 CONTRACT PRICE Is there a down payment? What is the down payment amount? NO N/A end of each month When do I send the invoice? When do I collect the invoice? 30 days after What is the retention amount ? 10% one month after completion When do I collect the retention? ACTIVITY MONTH 3 10000 20000 90000 40000 10000 170000 220,000 CONTRACT PRICE Is there a down payment? What is the down payment amount? NO N/A end of each month When do I send the invoice? When do I collect the invoice? 30 days after What is the retention amount ? 10% one month after completion When do I collect the retention