Presented below is information related to Sheffield Enterprises.

$($a$)$

From the information, prepare $($as far as the data permit$)$ monthly income statements in columnar form for February, March, and

April. The inventory is to be shown in the statement at cost; the loss due to market fluctuations is to be shown separately. $($Enter

negative amounts using either a negative sign preceding the number e$.$g$.-45$ or parentheses e$.$g$.(45).)$