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Sam's Cat Hotel operates 48 weeks per year, 6 days per week, and uses a continuous review inventory system. It purchases kitty litter for $12.50 per bag. The following information is available about these bags:

- Demand = 70 bags/week
- Order cost = $58.00/order
- Annual holding cost = 30 percent of cost
- Desired cycle-service level = 80 percent
- Lead time = 2 weeks (12 working days)
- Standard deviation of weekly demand = 15 bags
- Current on-hand inventory is 320 bags, with no open orders or backorders.

**a.** Suppose that the weekly demand forecast of 70 bags is incorrect and actual demand averages only 45 bags per week. How much higher will total costs be, owing to the distorted EOQ caused by this forecast error? The costs will be higher owing to the error in EOQ. (Enter your response rounded to two decimal places.)

**b.** Suppose that actual demand is 45 bags but that ordering costs are cut to only $9.00 by using the internet to automate order placing. However, the buyer does not tell anyone, and the EOQ is not adjusted to reflect this reduction in S. How much higher will total costs be, compared to what they could be if the EOQ were adjusted? The costs will be higher owing to the error in EOQ. (Enter your response rounded to two decimal places.)

Answer :

a. The total costs will be $2,406 higher owing to the error in EOQ caused by the forecast error. b. The total costs will be $45.01 higher owing to the error in EOQ caused by not adjusting it to reflect the reduction in ordering costs.

a. To determine the increase in total costs due to the distorted Economic Order Quantity (EOQ) caused by the forecast error, we need to compare the total costs with the incorrect EOQ to the total costs with the correct EOQ. The incorrect EOQ is calculated using the forecasted demand of 70 bags per week.

Using the formula for EOQ:

EOQ = sqrt((2 * demand * order cost) / holding cost)

Incorrect EOQ = sqrt((2 * 70 * $58) / (0.3 * $12.50)) = 105.91 bags

With the incorrect EOQ, the order quantity would be rounded up to the nearest whole number, resulting in ordering 106 bags per order. However, since the actual demand is only 45 bags per week, there would be excess inventory and higher holding costs.

The increase in total costs can be calculated by comparing the holding costs for the incorrect EOQ with the holding costs for the correct EOQ. Since the current on-hand inventory is 320 bags and there are no open orders or backorders, the holding costs for the incorrect EOQ would be:

Holding costs for incorrect EOQ = (320 + 106) / 2 * $12.50 * 0.3 = $2,406

To find the increase in total costs, we need to subtract the holding costs for the correct EOQ from the holding costs for the incorrect EOQ:

Increase in total costs = Holding costs for incorrect EOQ - Holding costs for correct EOQ

Increase in total costs = $2,406 - Holding costs for correct EOQ

b. To calculate the increase in total costs compared to what they could be if the EOQ were adjusted, we need to determine the correct EOQ based on the reduced ordering cost.

Using the formula for EOQ:

EOQ = sqrt((2 * demand * order cost) / holding cost)

Correct EOQ = sqrt((2 * 45 * $9) / (0.3 * $12.50)) = 30 bags

With the correct EOQ, the order quantity would be 30 bags per order. However, if the EOQ is not adjusted and remains at the previous value, there would be more frequent orders and higher ordering costs.

The increase in total costs can be calculated by comparing the ordering costs for the incorrect EOQ with the ordering costs for the correct EOQ. The ordering costs for the incorrect EOQ would be:

Ordering costs for incorrect EOQ = (48 weeks * 6 days/week * $58) / 365 = $54.01 per week

To find the increase in total costs, we need to subtract the ordering costs for the correct EOQ from the ordering costs for the incorrect EOQ:

Increase in total costs = Ordering costs for incorrect EOQ - Ordering costs for correct EOQ

Increase in total costs = $54.01 - $9

By not adjusting the EOQ to reflect the reduced ordering cost, the increase in total costs would be $45.01 per week.

To learn more about, costs, click here, https://brainly.com/question/17120857

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