Answer:
HEY MATE HERE IS YOUR ANSWER
S. P. PF WATCH = 1350
LOSS % = 10%
C. P =
\frac{100}{100 - loss\%} \times s.p
100−loss%
100
×s.p
C.P= you should find it yourself for practice
Part 2
Gain percentage
\frac{gain \times 100}{c.p}
c.p
gain×100
= you should find it yourself for practice.
