please write clearly

All shirts are on sale and become 75% of their original price. Then they are subject to sales tax of 8.5%, becoming 1.085 times as large. The original price of a shirt is $80. 1. Find the sale price, when the shirt becomes 75% of its original price. 1. Find the price of the shirt after the markdown from the sale and markup from the tax. 1. Write the function, which pertains to the price becoming 75% of the original price. The input is a price and the output is a sales price 8. Write the function, which pertains to the sales tax of 8.5%. The input is a price and the output is the price along with the sales tax. 1. Write the function, which is the composition of these two functions. 1. Draw a diagram, which shows the functions, and