I just need help calculating this part. do i just add $310+175+145+85?$ what do I do with the $1\mathrm{.}2$ in the last chart?

$($e$)$ Rhianna is $22$ years old. She buys $50/100/25$ liability insurance, and collision and comprehensive

insurance, each with $$500$ deductibles. What is her total annual premium?

Answer: