Abakery sells glazed donuts for $1.09 each. cinnamon bagels and onion bagels are $1.59 each. max buys x donuts, y cinnamon bagels, and z onion bagels. which expression represents the total amount max spent at the bakery?
a) 1.09x + 1.59yz
b) 1.09x + 1.59y + 1.59z
c) 1.09x + 3.18(y + z)
d) (1.09 + 1.59)(x + y + z)