we have that
Each month the total payment is $650+$150=$800
the linear equation that represents this situation is
t=800m
so
For m=1 ------> t=$800
For m=2 -----> t=$1,600
For m=4 ----> t=$3,200
For m=6 -----> t=$4,800
For m ----> t=800m
therefore
the answer is the top table at the right