Question $1-$Given the following rates, answer the questions below:

LTL Rates

$$7\mathrm{.}25$ M$2$M lbs$.$

$$5\mathrm{.}75$ M$5$M lbs$.$

$$4\mathrm{.}00$ M$10$M lbs$.$

A$.$ What is the breakpoint between the $2M$ and $5M$ rate?

B$.$ What is the breakpoint between the $5M$ and $10M$ rate?

C$.$ How much would it cost $($in $$/$awt$)$ to ship $9000$ lbs$.?$

Show your work for possible partial credit.