Nelson is planning out his monthly budget and estimates that he spends $250 on food each month. When he got his bank statement, he discovered that his actual food expense for the month was $315. Calculate his percent error. Round to the nearest whole percent.

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?