The mean price of a new laptop computer from Store #1 is $799.99, and they only sell two brands of computers. The mean price of a new laptop from another store is $679.99, and Store #2 sells 4 brands. What is the weighted mean average of a new laptop computer?
 Select one:
 a. $703.99
 b. $719.99
 c. $739.99
 d. $759.99