Sound Software estimates that it will sell LaTeX: NN units of a program after spending LaTeX: aa thousands of dollars on advertising, where LaTeX: N\left(a\right)=-a^2+300a+6N ( a ) = − a 2 + 300 a + 6 when LaTeX: 0\le a\le3000 ≤ a ≤ 300. What is the maximum number of units that can be sold and how much need to be spent on advertising in order to achieve this sales goal?

Comparative financial statements for weller corporation, a merchandising company, for the year ending december 31 appear below. the company did not issue any new common stock during the year. a total of 800,000 shares of common stock were outstanding. the interest rate on the bonds, which were sold at their face value, was 12%. the income tax rate was 40% and the dividend per share of common stock was $0.40 this year. the market value of the company's common stock at the end of the year was $18. all of the company's sales are on account. time interest earned ratio