Using the cut$-$and$-$try method for aggregate operations planning, we can calculate the ending inventory and then calculate the safety stock as a percent of forecast demand. Suppose that the beginning inventory is $300,$ the production requirement in units of product is $1,350,$ and demand forecast is $1,500.$ What is the ending inventory and percent safety stock?

Multiple Choice

$150$ and $20\%$

$200$ and $10\%$

$300$ and $20\%$

$450$ and $30\%$

$150$ and $10\%$