Answer:
total amount he will receive $75 extra
Step-by-step explanation:
from the information given in the question we have
for every extra item he sold he will get $5 extra. therefore total number of extra item sold will be
= 215- 200 = 15
15 extra item. thus for this extra item extra amount he will received is calculated as
extra amount will be
= (215 - 200) * 5
= $75
total amount he will receive $75 extra