An agent received a $1\%$ commission on first $ million of her sales. On each next $ million of her sales, the dollar value of the commission doubles. What was her total commission if her total sales were $$2,500,000?$

A property is listed at $$74,000.$ An offer is made for $$72,000,$ provided the seller pays $3$ points on a loan for $80\%$ of the purchase price. The brokerage commission rate is $7\%.$ How much less will the seller receive if he accepts the offer than he would have received if he sold at all cash at the original terms?

A property is listed at $$200,000.$ An offer is made for $$190,000,$ provided the seller pays $4$ points on a loan for $90\%$ of the purchase price. The brokerage commission rate is $6\%.$ How much less will the seller receive if he accepts the offer than he would have received if he sold at all cash at the original terms?

A salesman was trying to list a house. The owner said he wanted to clear $($net$)$ $$12,000$ from the sale of the house. The balance of the mortgage was $$37,000.$ It would cost about $$1,200$ to fix the house up to sell. How much would the owner have to sell the house for if the $7\%$ commission was included?

A salesman is trying to list a house. The balance of the mortgage is $$165,000.$ The owner says he wants to clear $($net$)$ $$20,000$ from the sale of the house. It would cost about $$5,000$ to fix the house up to sell. The salesman's commission will depend on the sale price of the house after assuring that the owner nets his $$20,000.$ How much does he have to sell the house for to make sure that his commission is equal to $5\%$ of the sale price?

A salesman was trying to list a house. The owner said he wanted to clear $($net$)$ $$10,000$ from the sale of the house. The balance of the mortgage was $$158,000.$ It would cost about $$2,000$ to fix the house up to sell. How much would the owner have to sell the house for if the $6\%$ commission was included? Round your answer to the nearest dollar.