Question 7 of 10 Last year a local restaurant realized sales of $210,000 with fixed costs of $100,000 and total variable costs of $60,000. Note: use the rounded answer from part (a) to solve parts (b) - (e). a) What was the restaurants contribution rate (as a decimal) last year? Round to 2 decimal places, Question 7 of 10 b) If the restaurant has the same contribution rate this year, what net income can be expected this year from a revenue of $170,000? Round to 2 decimal places. c) If the restaurant has the same fixed and variable costs this year, what sales this year will result in a profit of $43,000? Question 7 of 10 d) Suppose that the fixed costs this year rise to $120,000 and the variable costs remain the same. What is break-even revenue? Round to 2 decimal places. e) Suppose that the fixed costs remain at $100,000 this year but the variable costs fall to $52,000. What is the break-even revenue