I will type question for you as It has never been asked in exam.
Q: A company buys a machine for $11000 & sells it for $2000 at time 3.running cost of the machine are time 1=$3000 ,time 2=$5000,time 3=$7000. If a series of machines are bought ,run and sold on an infinite cycle of replacements,what is the equivalent annual cost of the machine if discount rate is 10%?? A. $22114 B. $8892 C. $246 D. $7371