Excercise to be completed

I have a project I need to complete. Very simple if you know what you are doing. Just need it organised and answered. Need explanaintion of difference between cash flow and profit flows using a budgeted profit statement, a cash flow budgetand a budgeted balance sheet from the following information:
1, injection of £70k capital by owner into business bank account
2, sales of £25k per month. All sales on credit,debtors given 60 days credit,
3, gross margin of 60%
4, purchase of resale stock are doubled for the first month and that the level of stock holding is maintained. Purchases are paid for 1 month in arrears
5, expenses are £10lk per month and are paid for during the month in which they are incured
6, a delivery van costing £60k with residual value of £6k is bought in january. Estimated to be of service for about 6 years