The inventory turnover at cost for Moore Company is approximately 1.286 times during the given period.
To find the inventory turnover at cost, you can use the formula:
Inventory Turnover =

First, calculate the Cost of Goods Sold (COGS):
COGS=Sales−Gross Profit
Gross Profit=Sales×Markup Rate
Given:
Sales = $150,000
Markup Rate = 40%
\text{Gross Profit} = 150,000 \times 0.40 = $60,000
\text{COGS} = 150,000 - 60,000 = $90,000
Now, calculate the average inventory at cost:
Average Inventory at Cost= Beginning Inventory+Ending Inventory/2
\text{Average Inventory at Cost} = \frac{50,000 + 90,000}{2} = \frac{140,000}{2} = $70,000
Finally, use the formula for inventory turnover:
Inventory Turnover=

Inventory Turnover=
≈1.286
Therefore, the inventory turnover at cost for Moore Company is approximately 1.286 times during the given period.