Final answer:
To calculate the monthly increase or decrease in working capital for inventory, we need to determine the change in inventory for each month.
Step-by-step explanation:
To calculate the monthly increase or decrease in working capital for inventory, we need to determine the change in inventory for each month. A decrease in inventory is a source of cash, while an increase in inventory is a use of cash.
For the Snow Tires:
- Calculate the change in inventory for January: Expected sales for January minus the inventory level at the end of December.
- Calculate the change in inventory for February: Expected sales for February minus the inventory level at the end of January.
- Calculate the change in inventory for March: Expected sales for March minus the inventory level at the end of February.
Repeat the same steps for Rain Tires to calculate the change in working capital for each month.