After all revenue and expense accounts have been closed at the end of the fiscal year, Income Summary has a debit of $781,400 and a credit of $946,800. At the same date, Retained Earnings has a credit balance of $1,449,000, and Dividends has a balance of $30,000. Required: A. Journalize the entries required to complete the closing of the accounts on December 31. B. Determine the amount of Retained Earnings at the end of the period.

When a company produces and sells x thousand units per week, its total weekly profit is p thousand dollars, where upper p equals startfraction 800 x over 100 plus x squared endfraction . the production level at t weeks from the present is x equals 4 plus 2 t. find the marginal profit, startfraction dp over dx endfraction and the time rate of change of profit, startfraction dp over dt endfraction . how fast (with respect of time) are profits changing when tequals8?