Questions 6,7,8!are all together I attached all three problems to this question but please give me the solutions from excel because the rounding is always different than the calculator. Thanks

(For Questions 6,7,8) George Fine, owner of Fine Manufacturing, is considering the introduction of a new product line. George has considered factors such as costs of raw materials, new equipment, and requirements of a new production process. He estimates that the variable costs of each unit produced would be $8 and fixed costs would be $70,000. If the selling price is set at $20 each, how many units have to be produced and sold for Fine Manufacturing to break even? (Round up to the nearest integer.) Answer: If the selling price of the product is set at $18 per unit, Fine Manufacturing expects to sell 15,000 units. What would be the total contribution to profit from this product at this price? $ Fine Manufacturing estimates that if it offers the product at the original target price of $20 per unit, the company will sell about 12,000 units. What would be the total contribution to profit from this product at this price? $