Rock musician Donny West is paid 15% on his CD sales and tour video sales. Last year,

Question:

Rock musician Donny West is paid 15% on his CD sales and tour video sales. Last year, he sold one million CDs and 550,000 videos. The CDs were sold to music stores for $5 each and the videos for $6 each.
a. What was the total amount of CD sales?
b. What was the total amount of video sales?
c. What was the combined total of CD and video sales?
d. how much did Donny West receive in royalties last year?