What is the tools of microeconomics

Time value an iowa state savings bond can be converted to $750 at maturity 5 years from purchase. if the state bonds are to be competitive with u.s. savings bonds, which pay 5% annual interest (compounded annually), at what price must the state sell its bonds? assume no cash payments on savings bonds prior to redemption. ignore taxes.

On january 1, 2017, sophie's sunlounge owned 4 tanning beds valued at $20,000. during 2017, sophie's bought 3 new beds at a total cost of $14 comma 000, and at the end of the year the market value of all of sophie's beds was $24 comma 000. what was sophie's net investment

Pear co.’s income statement for the year ended december 31, as prepared by pear’s controller, reported income before taxes of $125,000. the auditor questioned the following amounts that had been included in income before taxes: equity in earnings of cinn co. $ 40,000 dividends received from cinn 8,000 adjustments to profits of prior years for arithmetical errors in depreciation (35,000) pear owns 40% of cinn’s common stock, and no acquisition differentials are relevant. pear’s december 31 income statement should report income before taxes of