Which of the following statements about the EOQ model with Planned Backorders are true? Select all correct answers The Critical Ratio defines both the amount we should stock out and how much to order inevery replenishment cycle This model represents a trade-off between the cost of having excess inventor, and thecost of not fulfilling the demand in a replenishment cycle The lnventory On Hand (loH) decreases as the cost of being short (Cs) increases The lower the cost of being short (Cs), the higher percentage of the replenishment cycleshould be backordered Purchasing cost, holding cost and pipeline inventory cost are all part of the TRC for thismodel None of the above