What is the total amount the customer paid during those 3
As an accountant, you have calculated income taxes for a
customer for the last 3 years. During those three years, the
customer made a tax payment of $1,250, received a tax
refund of $550, and made a tax payment of $925. The
customer also paid a processing fee of $60 each year.
$1,445
$1,625
$1,685
$1,805
$2,545

x

step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this