EBI Solar uses a high$-$tech process to turn silicon wafers into tiny

a$.$ Express last year's average inventory in weeks of supply. solar panels. These efficient and inexpensive panels are used to power low$-$energy, hand$-$held electronic devices. Last year, EBI Solar turned their inventory $4\mathrm{.}5$ times and had a cost of goods sold of $$2\mathrm{.}5$ million. Assuming $52$ business weeks per year:

b$.$ After several supply chain improvement initiatives, inventory investment has dropped across all inventory categories. While EBI's cost of goods sold is not expected