The following table lists data from the budget of Ritewell Publishers. Half the company's sales are for cash immediately, the other half are paid for with a one$-$month delay. The company pays all its credit purchases with a one$-$month delay. Credit purchases in January were $$39,$ and total sales in January were $$198.$ Assume all expenses, other than purchases, are cash transactions.

$\backslash$table$[[,$February,March,April$],[$Total sales,$$218,$$$238,$$$198$