From the top of Blackpool Tower , which is 158 m high , the angle of depression of a ship at sea is 25 ° . Use a scale of 1cm to 50 m to make a scale drawing and find the distance of the house from the base​

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?