sentences:  Doctor Macavity informs Mainwaring of Frazer's hoard at the bank the next day, worried that any theft or loss of the gold would have devastating effects on Frazer's health.Mainwaring agrees that Frazer should not keep the sovereigns in his house and resolves to convince the stingy Scotsman to sell them and buy an annuity at the bank (furiously denouncing Wilson's suggestion that Mainwaring is motivated by the fact that he, as bank manager, would profit from this).Deciding to raise the matter subtly, Mainwaring gives the whole platoon a lecture about how they should keep their money and valuables in the bank, again insisting that any profit for him is not part of the issue.