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Firm commitment versus best efferts. Astro Investment Bank offers Lunar Vacations the following options on its initial public sale of equity: (a) a best efforts arrangement whereby Astro will keep 3.5% of the retail sales or (b) a firm commitment arrangement of $9,800,000. Lunar plans on offering shares at $12.22 per share to the public. What is the break-even point in number of shares for Lunar Vacations? What are the proceeds to Lunar Vacations and Astro Investment Bank at the break-even point? Firm commitment versus best efferts. Astro Investment Bank offers Lunar Vacations the following options on its initial public sale of equity: (a) a best efforts arrangement whereby Astro will keep 3.5% of the retail sales or (b) a firm commitment arrangement of $9,800,000. Lunar plans on offering shares at $12.22 per share to the public. What is the break-even point in number of shares for Lunar Vacations? What are the proceeds to Lunar Vacations and Astro Investment Bank at the break-even point