You are the purchasing manager for WidgetCo. You have been notified by your production manager that WidgetCo's supply of gidgets - a critical input in the production of widgets - is low and needs to be replenished. You consult the price lists of several gidget suppliers and find that GidgetCorp's published price of $5 per gidget, when purchasing in quantities of 10,000 or more, is the best price available. You email the sales manager at GidgetCorp, writing: "WidgetCo hereby orders 10,000 gidgets at $5 each." In a responsive email, the sales manager at GidgetCorp writes: "We'll ship 10,000 gidgets to WidgetCo on Thursday." By the GidgetCorp sales manager's response, the sales manager manifests:

a. Actual express agreement to sell WidgetCo 10,000 gidgets for $50,000

b. Actual implied agreement to sell WidgetCo 10,000 gidgets for $50,000

c. Hypothetical agreement to sell WidgetCo 10,000 gidgets for $50,000

d. No agreement to sell WidgetCo 10,000 gidgets at any price