Problem $20-38($Algo$)$

A particular raw material is available to a company at three different prices, depending on the size of the order:

Less than $100$ pounds $($ $ $15)$ per pound

$100$ pounds to $1,999$ pounds $($ $ $14)$ per pound

$2,000$ pounds or more$($ $ $13)$ per pound

The cost to place an order is $($ $ $60).$ Annual demand is $2,900$ units. The holding $($or carrying$)$ cost is $30$ percent of the material price.

What is the economic order quantity to buy each time?

Note: Round your answers to the nearest whole number.