A process for synthesizing acetaminophen (C8H9NO2), a pain reliever and a fever reducer,is

A process for synthesizing acetaminophen (C8H9NO2), a pain reliever and a fever reducer, is

based on the chemical reactions below. The numbers below each compound are the molar masses in g mol−

(1) 

 4 C6H5NO3

 +

 3 NaBH4

 ⟶

 4 C6H7NO

 +

 3 NaBO2

 +

 2 H2O

 139.11

 37.83

 109.13

 65.80

 18.02

(2)

 C6H7NO

 +

 C4H6O3

 ⟶

 C8H9NO2

 +

 C2H4O2

 109.13

 102.09

 151.16

 60.05

What is the percent atom economy (% AE) for the synthesis of C8H9NO2? Enter an answer accurate to three (3) significant figures. 

Note: The molar mass is written in order for each compound.