Answer:
Growth monthly salary is $4112.2 .
Explanation:
As given
Eric's biweekly salary is $1920 .
i.e salary for two weeks is $1920 .

As there are 14 days in 2 weeks .

Salary for one day = $ 137.14
Assume that there are 30 days in one month .
Thus
Growth monthly salary = Salary for one day × Number of days in a month
= $ 137.14 × 30
= $ 4112.2
Therefore the growth monthly salary is $4112.2 .