Need to know how to do the formula for the cells not just the numbers! Thank you

Data $500,000 Manufacturing overhead $300,000 Selling and administrative overhead Assembling Processing Supporting Units Customers Other 50% 35% 5% 10% Manufacturing overhead 10% 45% 25% Selling and administrative overhead 20% 1,000 250 100 Total activity units orders customers Office Mart orders: 1 customer Customers orders 4 orders in 80 units Number of filing cabinets ordered total $595 Selling price $180 Direct materials $50 Direct labor Enter a formula into each of the cells marked with a below Review Problem: Activity-Based Costing Perform the first stage allocations Assembling Processing Supporting Customers Other Total Manufacturing overhead Selling and administrative overhead Total cost Compute the activity rates Total Cost Total Activity Activity Cost Pools Activity Rate Assembling units units per unit orders Processing orders per order Supporting customers customers per customer