6. Find the value of P, if the algebraic representation of the demand curve is: 10.3 -0.3P, where Q = 5: a. $8.80 b. b. $2.00 c. c. $50.00 d. d. $10.00 7. What is the value of R, if P= 30-5Q and Q=5? a. $5.00 b. $10.00 c. $20.00 d. $25.00 8. Find the company's profit (p) if P-10-2Q, Q-3, and C=25+ 10Q: a. -$51.00 b. -$43.00 c. $51.00 d. $43.00