If the reliability coefficient of an instrument is .91, and the standard deviation is 10, then a client's score of 59 could be interpreted that 95 percent of the time his/her true score will fall between and using standard error of measurement

Jaynet spends $50,000 per year on painting supplies and storage space. she recently received two job offers from a famous marketing firm – one offer was for $95,000 per year, and the other was for $120,000. however, she turned both jobs down to continue a painting career. if jaynet sells 35 paintings per year at a price of $6,000 each: a. what are her accounting profits? b. what are her economic profits?