As asset has a value of $1,000,000. In an attack, it is expected to lose 50% of its value. Countermeasure A will cut the loss by half and cost $30,000 per year, while Countermeasure B will cost $5,000 per year. An attack is likely to be successful once in 10 years. Countermeasure B can cut the occurrence rate in half. Which countermeasure would you recommend?